Home / 654,143.55-913,701.45-654,143.55

Finding the Fourth Proportional to 654,143.55, 913,701.45 and 654,143.55

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Solution

The fourth proportional to 654,143.55, 913,701.45 and 654,143.55 is: 913,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,143.55 : 913,701.45 = 654,143.55 : x
  2. Step 2: Convert to fraction form
    654,143.55/913,701.45 = 654,143.55/x
  3. Step 3: Cross multiply
    654,143.55x = 913,701.45 × 654,143.55
  4. Step 4: Simplify right side
    654,143.55x = 597,691,910,143.15
  5. Step 5: Solve for x
    x = 597,691,910,143.15/654,143.55
  6. Step 6: Final answer
    x = 913,701.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.