Home / 806,763.45-1,113,678.15-574,340.43

Finding the Fourth Proportional to 806,763.45, 1,113,678.15 and 574,340.43

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Solution

The fourth proportional to 806,763.45, 1,113,678.15 and 574,340.43 is: 792,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,763.45 : 1,113,678.15 = 574,340.43 : x
  2. Step 2: Convert to fraction form
    806,763.45/1,113,678.15 = 574,340.43/x
  3. Step 3: Cross multiply
    806,763.45x = 1,113,678.15 × 574,340.43
  4. Step 4: Simplify right side
    806,763.45x = 639,630,387,552.61
  5. Step 5: Solve for x
    x = 639,630,387,552.61/806,763.45
  6. Step 6: Final answer
    x = 792,835.11

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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.