Home / 885,864.14-1,222,331.55-523,347.02

Finding the Fourth Proportional to 885,864.14, 1,222,331.55 and 523,347.02

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Solution

The fourth proportional to 885,864.14, 1,222,331.55 and 523,347.02 is: 722,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,864.14 : 1,222,331.55 = 523,347.02 : x
  2. Step 2: Convert to fraction form
    885,864.14/1,222,331.55 = 523,347.02/x
  3. Step 3: Cross multiply
    885,864.14x = 1,222,331.55 × 523,347.02
  4. Step 4: Simplify right side
    885,864.14x = 639,703,574,144.48
  5. Step 5: Solve for x
    x = 639,703,574,144.48/885,864.14
  6. Step 6: Final answer
    x = 722,123.79

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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.