Home / 528,654.35-729,541.14-286,936.92

Finding the Fourth Proportional to 528,654.35, 729,541.14 and 286,936.92

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Solution

The fourth proportional to 528,654.35, 729,541.14 and 286,936.92 is: 395,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,654.35 : 729,541.14 = 286,936.92 : x
  2. Step 2: Convert to fraction form
    528,654.35/729,541.14 = 286,936.92/x
  3. Step 3: Cross multiply
    528,654.35x = 729,541.14 × 286,936.92
  4. Step 4: Simplify right side
    528,654.35x = 209,332,287,724.89
  5. Step 5: Solve for x
    x = 209,332,287,724.89/528,654.35
  6. Step 6: Final answer
    x = 395,971.94

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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.