Home / 953,419.30-1,315,727.13-523,708.18

Finding the Fourth Proportional to 953,419.30, 1,315,727.13 and 523,708.18

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Solution

The fourth proportional to 953,419.30, 1,315,727.13 and 523,708.18 is: 722,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,419.30 : 1,315,727.13 = 523,708.18 : x
  2. Step 2: Convert to fraction form
    953,419.30/1,315,727.13 = 523,708.18/x
  3. Step 3: Cross multiply
    953,419.30x = 1,315,727.13 × 523,708.18
  4. Step 4: Simplify right side
    953,419.30x = 689,057,060,628.92
  5. Step 5: Solve for x
    x = 689,057,060,628.92/953,419.30
  6. Step 6: Final answer
    x = 722,721.96

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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.