Home / 651,312.14-898,839.40-360,922.90

Finding the Fourth Proportional to 651,312.14, 898,839.40 and 360,922.90

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Solution

The fourth proportional to 651,312.14, 898,839.40 and 360,922.90 is: 498,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,312.14 : 898,839.40 = 360,922.90 : x
  2. Step 2: Convert to fraction form
    651,312.14/898,839.40 = 360,922.90/x
  3. Step 3: Cross multiply
    651,312.14x = 898,839.40 × 360,922.90
  4. Step 4: Simplify right side
    651,312.14x = 324,411,722,882.26
  5. Step 5: Solve for x
    x = 324,411,722,882.26/651,312.14
  6. Step 6: Final answer
    x = 498,089.48

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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.