Home / 858,232.10-1,287,931.35-479,152.10

Finding the Fourth Proportional to 858,232.10, 1,287,931.35 and 479,152.10

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Solution

The fourth proportional to 858,232.10, 1,287,931.35 and 479,152.10 is: 719,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,232.10 : 1,287,931.35 = 479,152.10 : x
  2. Step 2: Convert to fraction form
    858,232.10/1,287,931.35 = 479,152.10/x
  3. Step 3: Cross multiply
    858,232.10x = 1,287,931.35 × 479,152.10
  4. Step 4: Simplify right side
    858,232.10x = 617,115,011,008.34
  5. Step 5: Solve for x
    x = 617,115,011,008.34/858,232.10
  6. Step 6: Final answer
    x = 719,053.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.