Home / 684,024.59-944,047.70-393,630.19

Finding the Fourth Proportional to 684,024.59, 944,047.70 and 393,630.19

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Solution

The fourth proportional to 684,024.59, 944,047.70 and 393,630.19 is: 543,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,024.59 : 944,047.70 = 393,630.19 : x
  2. Step 2: Convert to fraction form
    684,024.59/944,047.70 = 393,630.19/x
  3. Step 3: Cross multiply
    684,024.59x = 944,047.70 × 393,630.19
  4. Step 4: Simplify right side
    684,024.59x = 371,605,675,520.06
  5. Step 5: Solve for x
    x = 371,605,675,520.06/684,024.59
  6. Step 6: Final answer
    x = 543,263.62

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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.