Home / 971,809.30-1,341,099-542,117.26

Finding the Fourth Proportional to 971,809.30, 1,341,099 and 542,117.26

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Solution

The fourth proportional to 971,809.30, 1,341,099 and 542,117.26 is: 748,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,809.30 : 1,341,099 = 542,117.26 : x
  2. Step 2: Convert to fraction form
    971,809.30/1,341,099 = 542,117.26/x
  3. Step 3: Cross multiply
    971,809.30x = 1,341,099 × 542,117.26
  4. Step 4: Simplify right side
    971,809.30x = 727,032,915,268.74
  5. Step 5: Solve for x
    x = 727,032,915,268.74/971,809.30
  6. Step 6: Final answer
    x = 748,123.03

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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.