Home / 927,437.60-1,391,415.60-454,138.40

Finding the Fourth Proportional to 927,437.60, 1,391,415.60 and 454,138.40

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Solution

The fourth proportional to 927,437.60, 1,391,415.60 and 454,138.40 is: 681,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,437.60 : 1,391,415.60 = 454,138.40 : x
  2. Step 2: Convert to fraction form
    927,437.60/1,391,415.60 = 454,138.40/x
  3. Step 3: Cross multiply
    927,437.60x = 1,391,415.60 × 454,138.40
  4. Step 4: Simplify right side
    927,437.60x = 631,895,254,319.04
  5. Step 5: Solve for x
    x = 631,895,254,319.04/927,437.60
  6. Step 6: Final answer
    x = 681,334.52

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Double scale
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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.