Home / 1,088,071.40-1,632,260.70-340,039.40

Finding the Fourth Proportional to 1,088,071.40, 1,632,260.70 and 340,039.40

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Solution

The fourth proportional to 1,088,071.40, 1,632,260.70 and 340,039.40 is: 510,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,071.40 : 1,632,260.70 = 340,039.40 : x
  2. Step 2: Convert to fraction form
    1,088,071.40/1,632,260.70 = 340,039.40/x
  3. Step 3: Cross multiply
    1,088,071.40x = 1,632,260.70 × 340,039.40
  4. Step 4: Simplify right side
    1,088,071.40x = 555,032,949,071.58
  5. Step 5: Solve for x
    x = 555,032,949,071.58/1,088,071.40
  6. Step 6: Final answer
    x = 510,107.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.