Home / 839,014.59-1,257,545.48-479,437.47

Finding the Fourth Proportional to 839,014.59, 1,257,545.48 and 479,437.47

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Solution

The fourth proportional to 839,014.59, 1,257,545.48 and 479,437.47 is: 718,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,014.59 : 1,257,545.48 = 479,437.47 : x
  2. Step 2: Convert to fraction form
    839,014.59/1,257,545.48 = 479,437.47/x
  3. Step 3: Cross multiply
    839,014.59x = 1,257,545.48 × 479,437.47
  4. Step 4: Simplify right side
    839,014.59x = 602,914,420,943.95
  5. Step 5: Solve for x
    x = 602,914,420,943.95/839,014.59
  6. Step 6: Final answer
    x = 718,598.26

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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.