Home / 708,480.81-1,062,526.68-423,947.52

Finding the Fourth Proportional to 708,480.81, 1,062,526.68 and 423,947.52

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Solution

The fourth proportional to 708,480.81, 1,062,526.68 and 423,947.52 is: 635,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,480.81 : 1,062,526.68 = 423,947.52 : x
  2. Step 2: Convert to fraction form
    708,480.81/1,062,526.68 = 423,947.52/x
  3. Step 3: Cross multiply
    708,480.81x = 1,062,526.68 × 423,947.52
  4. Step 4: Simplify right side
    708,480.81x = 450,455,550,919.83
  5. Step 5: Solve for x
    x = 450,455,550,919.83/708,480.81
  6. Step 6: Final answer
    x = 635,804.87

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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.