Home / 913,255.85-1,260,426.77-525,996.83

Finding the Fourth Proportional to 913,255.85, 1,260,426.77 and 525,996.83

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Solution

The fourth proportional to 913,255.85, 1,260,426.77 and 525,996.83 is: 725,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,255.85 : 1,260,426.77 = 525,996.83 : x
  2. Step 2: Convert to fraction form
    913,255.85/1,260,426.77 = 525,996.83/x
  3. Step 3: Cross multiply
    913,255.85x = 1,260,426.77 × 525,996.83
  4. Step 4: Simplify right side
    913,255.85x = 662,980,476,535.02
  5. Step 5: Solve for x
    x = 662,980,476,535.02/913,255.85
  6. Step 6: Final answer
    x = 725,952.62

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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.