Home / 906,312.40-1,250,806.64-519,158.72

Finding the Fourth Proportional to 906,312.40, 1,250,806.64 and 519,158.72

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Solution

The fourth proportional to 906,312.40, 1,250,806.64 and 519,158.72 is: 716,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,312.40 : 1,250,806.64 = 519,158.72 : x
  2. Step 2: Convert to fraction form
    906,312.40/1,250,806.64 = 519,158.72/x
  3. Step 3: Cross multiply
    906,312.40x = 1,250,806.64 × 519,158.72
  4. Step 4: Simplify right side
    906,312.40x = 649,367,174,189.90
  5. Step 5: Solve for x
    x = 649,367,174,189.90/906,312.40
  6. Step 6: Final answer
    x = 716,493.75

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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.