Home / 347,543.10-521,314.65-277,559.10

Finding the Fourth Proportional to 347,543.10, 521,314.65 and 277,559.10

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Solution

The fourth proportional to 347,543.10, 521,314.65 and 277,559.10 is: 416,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,543.10 : 521,314.65 = 277,559.10 : x
  2. Step 2: Convert to fraction form
    347,543.10/521,314.65 = 277,559.10/x
  3. Step 3: Cross multiply
    347,543.10x = 521,314.65 × 277,559.10
  4. Step 4: Simplify right side
    347,543.10x = 144,695,625,070.82
  5. Step 5: Solve for x
    x = 144,695,625,070.82/347,543.10
  6. Step 6: Final answer
    x = 416,338.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.