Home / 843,332.55-1,163,800.34-499,445.90

Finding the Fourth Proportional to 843,332.55, 1,163,800.34 and 499,445.90

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Solution

The fourth proportional to 843,332.55, 1,163,800.34 and 499,445.90 is: 689,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,332.55 : 1,163,800.34 = 499,445.90 : x
  2. Step 2: Convert to fraction form
    843,332.55/1,163,800.34 = 499,445.90/x
  3. Step 3: Cross multiply
    843,332.55x = 1,163,800.34 × 499,445.90
  4. Step 4: Simplify right side
    843,332.55x = 581,255,299,915.38
  5. Step 5: Solve for x
    x = 581,255,299,915.38/843,332.55
  6. Step 6: Final answer
    x = 689,236.17

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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.