Home / 589,042.80-812,867.40-347,335.56

Finding the Fourth Proportional to 589,042.80, 812,867.40 and 347,335.56

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Solution

The fourth proportional to 589,042.80, 812,867.40 and 347,335.56 is: 479,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,042.80 : 812,867.40 = 347,335.56 : x
  2. Step 2: Convert to fraction form
    589,042.80/812,867.40 = 347,335.56/x
  3. Step 3: Cross multiply
    589,042.80x = 812,867.40 × 347,335.56
  4. Step 4: Simplify right side
    589,042.80x = 282,337,753,584.74
  5. Step 5: Solve for x
    x = 282,337,753,584.74/589,042.80
  6. Step 6: Final answer
    x = 479,316.19

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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.