Home / 766,408.32-1,057,534.92-435,252.78

Finding the Fourth Proportional to 766,408.32, 1,057,534.92 and 435,252.78

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Solution

The fourth proportional to 766,408.32, 1,057,534.92 and 435,252.78 is: 600,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,408.32 : 1,057,534.92 = 435,252.78 : x
  2. Step 2: Convert to fraction form
    766,408.32/1,057,534.92 = 435,252.78/x
  3. Step 3: Cross multiply
    766,408.32x = 1,057,534.92 × 435,252.78
  4. Step 4: Simplify right side
    766,408.32x = 460,295,013,877.08
  5. Step 5: Solve for x
    x = 460,295,013,877.08/766,408.32
  6. Step 6: Final answer
    x = 600,587.18

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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.