Home / 598,823.40-898,235.10-409,866.60

Finding the Fourth Proportional to 598,823.40, 898,235.10 and 409,866.60

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Solution

The fourth proportional to 598,823.40, 898,235.10 and 409,866.60 is: 614,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,823.40 : 898,235.10 = 409,866.60 : x
  2. Step 2: Convert to fraction form
    598,823.40/898,235.10 = 409,866.60/x
  3. Step 3: Cross multiply
    598,823.40x = 898,235.10 × 409,866.60
  4. Step 4: Simplify right side
    598,823.40x = 368,156,566,437.66
  5. Step 5: Solve for x
    x = 368,156,566,437.66/598,823.40
  6. Step 6: Final answer
    x = 614,799.90

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1.5x scale

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.