Home / 955,368.72-1,318,381.65-525,649.14

Finding the Fourth Proportional to 955,368.72, 1,318,381.65 and 525,649.14

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Solution

The fourth proportional to 955,368.72, 1,318,381.65 and 525,649.14 is: 725,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,368.72 : 1,318,381.65 = 525,649.14 : x
  2. Step 2: Convert to fraction form
    955,368.72/1,318,381.65 = 525,649.14/x
  3. Step 3: Cross multiply
    955,368.72x = 1,318,381.65 × 525,649.14
  4. Step 4: Simplify right side
    955,368.72x = 693,006,180,514.28
  5. Step 5: Solve for x
    x = 693,006,180,514.28/955,368.72
  6. Step 6: Final answer
    x = 725,380.86

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Double scale
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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.