Home / 1,207,332.92-1,665,756.08-723,721.60

Finding the Fourth Proportional to 1,207,332.92, 1,665,756.08 and 723,721.60

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Solution

The fourth proportional to 1,207,332.92, 1,665,756.08 and 723,721.60 is: 998,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,332.92 : 1,665,756.08 = 723,721.60 : x
  2. Step 2: Convert to fraction form
    1,207,332.92/1,665,756.08 = 723,721.60/x
  3. Step 3: Cross multiply
    1,207,332.92x = 1,665,756.08 × 723,721.60
  4. Step 4: Simplify right side
    1,207,332.92x = 1,205,543,655,427.33
  5. Step 5: Solve for x
    x = 1,205,543,655,427.33/1,207,332.92
  6. Step 6: Final answer
    x = 998,518.00

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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.