Home / 766,239.12-1,056,305.30-536,083.35

Finding the Fourth Proportional to 766,239.12, 1,056,305.30 and 536,083.35

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Solution

The fourth proportional to 766,239.12, 1,056,305.30 and 536,083.35 is: 739,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,239.12 : 1,056,305.30 = 536,083.35 : x
  2. Step 2: Convert to fraction form
    766,239.12/1,056,305.30 = 536,083.35/x
  3. Step 3: Cross multiply
    766,239.12x = 1,056,305.30 × 536,083.35
  4. Step 4: Simplify right side
    766,239.12x = 566,267,681,166.34
  5. Step 5: Solve for x
    x = 566,267,681,166.34/766,239.12
  6. Step 6: Final answer
    x = 739,022.15

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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.