Home / 963,137.71-1,329,016.09-555,373.53

Finding the Fourth Proportional to 963,137.71, 1,329,016.09 and 555,373.53

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Solution

The fourth proportional to 963,137.71, 1,329,016.09 and 555,373.53 is: 766,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,137.71 : 1,329,016.09 = 555,373.53 : x
  2. Step 2: Convert to fraction form
    963,137.71/1,329,016.09 = 555,373.53/x
  3. Step 3: Cross multiply
    963,137.71x = 1,329,016.09 × 555,373.53
  4. Step 4: Simplify right side
    963,137.71x = 738,100,357,330.10
  5. Step 5: Solve for x
    x = 738,100,357,330.10/963,137.71
  6. Step 6: Final answer
    x = 766,349.76

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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.