Home / 927,996.04-1,280,724.42-520,167.16

Finding the Fourth Proportional to 927,996.04, 1,280,724.42 and 520,167.16

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Solution

The fourth proportional to 927,996.04, 1,280,724.42 and 520,167.16 is: 717,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,996.04 : 1,280,724.42 = 520,167.16 : x
  2. Step 2: Convert to fraction form
    927,996.04/1,280,724.42 = 520,167.16/x
  3. Step 3: Cross multiply
    927,996.04x = 1,280,724.42 × 520,167.16
  4. Step 4: Simplify right side
    927,996.04x = 666,190,784,294.05
  5. Step 5: Solve for x
    x = 666,190,784,294.05/927,996.04
  6. Step 6: Final answer
    x = 717,881.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.