Home / 955,142.46-1,318,044.69-525,353.22

Finding the Fourth Proportional to 955,142.46, 1,318,044.69 and 525,353.22

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Solution

The fourth proportional to 955,142.46, 1,318,044.69 and 525,353.22 is: 724,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,142.46 : 1,318,044.69 = 525,353.22 : x
  2. Step 2: Convert to fraction form
    955,142.46/1,318,044.69 = 525,353.22/x
  3. Step 3: Cross multiply
    955,142.46x = 1,318,044.69 × 525,353.22
  4. Step 4: Simplify right side
    955,142.46x = 692,439,021,995.40
  5. Step 5: Solve for x
    x = 692,439,021,995.40/955,142.46
  6. Step 6: Final answer
    x = 724,958.89

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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.