Home / 1,762,652.40-2,643,978.60-432,956.40

Finding the Fourth Proportional to 1,762,652.40, 2,643,978.60 and 432,956.40

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Solution

The fourth proportional to 1,762,652.40, 2,643,978.60 and 432,956.40 is: 649,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,652.40 : 2,643,978.60 = 432,956.40 : x
  2. Step 2: Convert to fraction form
    1,762,652.40/2,643,978.60 = 432,956.40/x
  3. Step 3: Cross multiply
    1,762,652.40x = 2,643,978.60 × 432,956.40
  4. Step 4: Simplify right side
    1,762,652.40x = 1,144,727,456,333.04
  5. Step 5: Solve for x
    x = 1,144,727,456,333.04/1,762,652.40
  6. Step 6: Final answer
    x = 649,434.60

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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.