Home / 598,766.40-898,387.20-243,806.40

Finding the Fourth Proportional to 598,766.40, 898,387.20 and 243,806.40

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Solution

The fourth proportional to 598,766.40, 898,387.20 and 243,806.40 is: 365,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,766.40 : 898,387.20 = 243,806.40 : x
  2. Step 2: Convert to fraction form
    598,766.40/898,387.20 = 243,806.40/x
  3. Step 3: Cross multiply
    598,766.40x = 898,387.20 × 243,806.40
  4. Step 4: Simplify right side
    598,766.40x = 219,032,549,038.08
  5. Step 5: Solve for x
    x = 219,032,549,038.08/598,766.40
  6. Step 6: Final answer
    x = 365,806.35

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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.