Home / 1,141,819.32-1,712,728.98-393,807

Finding the Fourth Proportional to 1,141,819.32, 1,712,728.98 and 393,807

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Solution

The fourth proportional to 1,141,819.32, 1,712,728.98 and 393,807 is: 590,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,819.32 : 1,712,728.98 = 393,807 : x
  2. Step 2: Convert to fraction form
    1,141,819.32/1,712,728.98 = 393,807/x
  3. Step 3: Cross multiply
    1,141,819.32x = 1,712,728.98 × 393,807
  4. Step 4: Simplify right side
    1,141,819.32x = 674,484,661,426.86
  5. Step 5: Solve for x
    x = 674,484,661,426.86/1,141,819.32
  6. Step 6: Final answer
    x = 590,710.50

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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.