Home / 731,606.16-1,009,616.55-409,392.11

Finding the Fourth Proportional to 731,606.16, 1,009,616.55 and 409,392.11

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Solution

The fourth proportional to 731,606.16, 1,009,616.55 and 409,392.11 is: 564,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,606.16 : 1,009,616.55 = 409,392.11 : x
  2. Step 2: Convert to fraction form
    731,606.16/1,009,616.55 = 409,392.11/x
  3. Step 3: Cross multiply
    731,606.16x = 1,009,616.55 × 409,392.11
  4. Step 4: Simplify right side
    731,606.16x = 413,329,044,647.34
  5. Step 5: Solve for x
    x = 413,329,044,647.34/731,606.16
  6. Step 6: Final answer
    x = 564,961.13

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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.