Home / 778,032.08-1,073,787.46-472,059.84

Finding the Fourth Proportional to 778,032.08, 1,073,787.46 and 472,059.84

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Solution

The fourth proportional to 778,032.08, 1,073,787.46 and 472,059.84 is: 651,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,032.08 : 1,073,787.46 = 472,059.84 : x
  2. Step 2: Convert to fraction form
    778,032.08/1,073,787.46 = 472,059.84/x
  3. Step 3: Cross multiply
    778,032.08x = 1,073,787.46 × 472,059.84
  4. Step 4: Simplify right side
    778,032.08x = 506,891,936,561.61
  5. Step 5: Solve for x
    x = 506,891,936,561.61/778,032.08
  6. Step 6: Final answer
    x = 651,505.19

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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.