Home / 955,189.96-1,318,110.15-525,400.72

Finding the Fourth Proportional to 955,189.96, 1,318,110.15 and 525,400.72

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Solution

The fourth proportional to 955,189.96, 1,318,110.15 and 525,400.72 is: 725,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,189.96 : 1,318,110.15 = 525,400.72 : x
  2. Step 2: Convert to fraction form
    955,189.96/1,318,110.15 = 525,400.72/x
  3. Step 3: Cross multiply
    955,189.96x = 1,318,110.15 × 525,400.72
  4. Step 4: Simplify right side
    955,189.96x = 692,536,021,849.31
  5. Step 5: Solve for x
    x = 692,536,021,849.31/955,189.96
  6. Step 6: Final answer
    x = 725,024.39

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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.