Home / 838,684.95-1,157,354.82-512,543.59

Finding the Fourth Proportional to 838,684.95, 1,157,354.82 and 512,543.59

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Solution

The fourth proportional to 838,684.95, 1,157,354.82 and 512,543.59 is: 707,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,684.95 : 1,157,354.82 = 512,543.59 : x
  2. Step 2: Convert to fraction form
    838,684.95/1,157,354.82 = 512,543.59/x
  3. Step 3: Cross multiply
    838,684.95x = 1,157,354.82 × 512,543.59
  4. Step 4: Simplify right side
    838,684.95x = 593,194,794,346.60
  5. Step 5: Solve for x
    x = 593,194,794,346.60/838,684.95
  6. Step 6: Final answer
    x = 707,291.57

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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.