Home / 558,448.77-831,356.97-555,127.29

Finding the Fourth Proportional to 558,448.77, 831,356.97 and 555,127.29

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Solution

The fourth proportional to 558,448.77, 831,356.97 and 555,127.29 is: 826,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,448.77 : 831,356.97 = 555,127.29 : x
  2. Step 2: Convert to fraction form
    558,448.77/831,356.97 = 555,127.29/x
  3. Step 3: Cross multiply
    558,448.77x = 831,356.97 × 555,127.29
  4. Step 4: Simplify right side
    558,448.77x = 461,508,941,778.71
  5. Step 5: Solve for x
    x = 461,508,941,778.71/558,448.77
  6. Step 6: Final answer
    x = 826,412.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.