Home / 663,032.80-992,216.40-607,045.60

Finding the Fourth Proportional to 663,032.80, 992,216.40 and 607,045.60

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Solution

The fourth proportional to 663,032.80, 992,216.40 and 607,045.60 is: 908,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,032.80 : 992,216.40 = 607,045.60 : x
  2. Step 2: Convert to fraction form
    663,032.80/992,216.40 = 607,045.60/x
  3. Step 3: Cross multiply
    663,032.80x = 992,216.40 × 607,045.60
  4. Step 4: Simplify right side
    663,032.80x = 602,320,599,867.84
  5. Step 5: Solve for x
    x = 602,320,599,867.84/663,032.80
  6. Step 6: Final answer
    x = 908,432.58

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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.