Home / 641,216.02-884,904.15-354,731.17

Finding the Fourth Proportional to 641,216.02, 884,904.15 and 354,731.17

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Solution

The fourth proportional to 641,216.02, 884,904.15 and 354,731.17 is: 489,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,216.02 : 884,904.15 = 354,731.17 : x
  2. Step 2: Convert to fraction form
    641,216.02/884,904.15 = 354,731.17/x
  3. Step 3: Cross multiply
    641,216.02x = 884,904.15 × 354,731.17
  4. Step 4: Simplify right side
    641,216.02x = 313,903,083,585.34
  5. Step 5: Solve for x
    x = 313,903,083,585.34/641,216.02
  6. Step 6: Final answer
    x = 489,543.42

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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.