Home / 971,435.90-1,340,587.40-541,743.23

Finding the Fourth Proportional to 971,435.90, 1,340,587.40 and 541,743.23

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Solution

The fourth proportional to 971,435.90, 1,340,587.40 and 541,743.23 is: 747,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,435.90 : 1,340,587.40 = 541,743.23 : x
  2. Step 2: Convert to fraction form
    971,435.90/1,340,587.40 = 541,743.23/x
  3. Step 3: Cross multiply
    971,435.90x = 1,340,587.40 × 541,743.23
  4. Step 4: Simplify right side
    971,435.90x = 726,254,138,761.65
  5. Step 5: Solve for x
    x = 726,254,138,761.65/971,435.90
  6. Step 6: Final answer
    x = 747,608.92

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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.