Home / 963,591.28-1,329,720.60-555,710.28

Finding the Fourth Proportional to 963,591.28, 1,329,720.60 and 555,710.28

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Solution

The fourth proportional to 963,591.28, 1,329,720.60 and 555,710.28 is: 766,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,591.28 : 1,329,720.60 = 555,710.28 : x
  2. Step 2: Convert to fraction form
    963,591.28/1,329,720.60 = 555,710.28/x
  3. Step 3: Cross multiply
    963,591.28x = 1,329,720.60 × 555,710.28
  4. Step 4: Simplify right side
    963,591.28x = 738,939,406,947.77
  5. Step 5: Solve for x
    x = 738,939,406,947.77/963,591.28
  6. Step 6: Final answer
    x = 766,859.79

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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.