Home / 955,013.75-1,317,891.18-525,293.76

Finding the Fourth Proportional to 955,013.75, 1,317,891.18 and 525,293.76

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Solution

The fourth proportional to 955,013.75, 1,317,891.18 and 525,293.76 is: 724,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,013.75 : 1,317,891.18 = 525,293.76 : x
  2. Step 2: Convert to fraction form
    955,013.75/1,317,891.18 = 525,293.76/x
  3. Step 3: Cross multiply
    955,013.75x = 1,317,891.18 × 525,293.76
  4. Step 4: Simplify right side
    955,013.75x = 692,280,013,213.04
  5. Step 5: Solve for x
    x = 692,280,013,213.04/955,013.75
  6. Step 6: Final answer
    x = 724,890.10

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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.