Home / 910,060.20-1,256,132.88-528,210

Finding the Fourth Proportional to 910,060.20, 1,256,132.88 and 528,210

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Solution

The fourth proportional to 910,060.20, 1,256,132.88 and 528,210 is: 729,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,060.20 : 1,256,132.88 = 528,210 : x
  2. Step 2: Convert to fraction form
    910,060.20/1,256,132.88 = 528,210/x
  3. Step 3: Cross multiply
    910,060.20x = 1,256,132.88 × 528,210
  4. Step 4: Simplify right side
    910,060.20x = 663,501,948,544.80
  5. Step 5: Solve for x
    x = 663,501,948,544.80/910,060.20
  6. Step 6: Final answer
    x = 729,074.79

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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.