Home / 812,152.17-1,219,425.80-453,024.68

Finding the Fourth Proportional to 812,152.17, 1,219,425.80 and 453,024.68

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Solution

The fourth proportional to 812,152.17, 1,219,425.80 and 453,024.68 is: 680,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,152.17 : 1,219,425.80 = 453,024.68 : x
  2. Step 2: Convert to fraction form
    812,152.17/1,219,425.80 = 453,024.68/x
  3. Step 3: Cross multiply
    812,152.17x = 1,219,425.80 × 453,024.68
  4. Step 4: Simplify right side
    812,152.17x = 552,429,974,466.49
  5. Step 5: Solve for x
    x = 552,429,974,466.49/812,152.17
  6. Step 6: Final answer
    x = 680,205.01

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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.