Home / 949,049.95-1,309,688.88-519,330.13

Finding the Fourth Proportional to 949,049.95, 1,309,688.88 and 519,330.13

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Solution

The fourth proportional to 949,049.95, 1,309,688.88 and 519,330.13 is: 716,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,049.95 : 1,309,688.88 = 519,330.13 : x
  2. Step 2: Convert to fraction form
    949,049.95/1,309,688.88 = 519,330.13/x
  3. Step 3: Cross multiply
    949,049.95x = 1,309,688.88 × 519,330.13
  4. Step 4: Simplify right side
    949,049.95x = 680,160,896,309.95
  5. Step 5: Solve for x
    x = 680,160,896,309.95/949,049.95
  6. Step 6: Final answer
    x = 716,675.55

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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.