Home / 589,044.80-812,870.16-347,337.56

Finding the Fourth Proportional to 589,044.80, 812,870.16 and 347,337.56

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Solution

The fourth proportional to 589,044.80, 812,870.16 and 347,337.56 is: 479,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,044.80 : 812,870.16 = 347,337.56 : x
  2. Step 2: Convert to fraction form
    589,044.80/812,870.16 = 347,337.56/x
  3. Step 3: Cross multiply
    589,044.80x = 812,870.16 × 347,337.56
  4. Step 4: Simplify right side
    589,044.80x = 282,340,337,971.21
  5. Step 5: Solve for x
    x = 282,340,337,971.21/589,044.80
  6. Step 6: Final answer
    x = 479,318.95

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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.