Home / 1,087,079.92-1,500,308.64-657,363.16

Finding the Fourth Proportional to 1,087,079.92, 1,500,308.64 and 657,363.16

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Solution

The fourth proportional to 1,087,079.92, 1,500,308.64 and 657,363.16 is: 907,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,079.92 : 1,500,308.64 = 657,363.16 : x
  2. Step 2: Convert to fraction form
    1,087,079.92/1,500,308.64 = 657,363.16/x
  3. Step 3: Cross multiply
    1,087,079.92x = 1,500,308.64 × 657,363.16
  4. Step 4: Simplify right side
    1,087,079.92x = 986,247,628,565.70
  5. Step 5: Solve for x
    x = 986,247,628,565.70/1,087,079.92
  6. Step 6: Final answer
    x = 907,244.82

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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.