Home / 723,583.64-998,413.35-417,548.36

Finding the Fourth Proportional to 723,583.64, 998,413.35 and 417,548.36

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Solution

The fourth proportional to 723,583.64, 998,413.35 and 417,548.36 is: 576,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,583.64 : 998,413.35 = 417,548.36 : x
  2. Step 2: Convert to fraction form
    723,583.64/998,413.35 = 417,548.36/x
  3. Step 3: Cross multiply
    723,583.64x = 998,413.35 × 417,548.36
  4. Step 4: Simplify right side
    723,583.64x = 416,885,856,894.61
  5. Step 5: Solve for x
    x = 416,885,856,894.61/723,583.64
  6. Step 6: Final answer
    x = 576,140.52

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1.5x scale

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.