Home / 927,991.04-1,280,717.52-520,162.16

Finding the Fourth Proportional to 927,991.04, 1,280,717.52 and 520,162.16

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Solution

The fourth proportional to 927,991.04, 1,280,717.52 and 520,162.16 is: 717,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,991.04 : 1,280,717.52 = 520,162.16 : x
  2. Step 2: Convert to fraction form
    927,991.04/1,280,717.52 = 520,162.16/x
  3. Step 3: Cross multiply
    927,991.04x = 1,280,717.52 × 520,162.16
  4. Step 4: Simplify right side
    927,991.04x = 666,180,791,553.04
  5. Step 5: Solve for x
    x = 666,180,791,553.04/927,991.04
  6. Step 6: Final answer
    x = 717,874.16

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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.