Home / 718,317.20-1,077,475.80-657,664.40

Finding the Fourth Proportional to 718,317.20, 1,077,475.80 and 657,664.40

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Solution

The fourth proportional to 718,317.20, 1,077,475.80 and 657,664.40 is: 986,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,317.20 : 1,077,475.80 = 657,664.40 : x
  2. Step 2: Convert to fraction form
    718,317.20/1,077,475.80 = 657,664.40/x
  3. Step 3: Cross multiply
    718,317.20x = 1,077,475.80 × 657,664.40
  4. Step 4: Simplify right side
    718,317.20x = 708,617,475,521.52
  5. Step 5: Solve for x
    x = 708,617,475,521.52/718,317.20
  6. Step 6: Final answer
    x = 986,496.60

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Similar ratio
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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.