Home / 838,312.16-1,257,151.01-358,520.00

Finding the Fourth Proportional to 838,312.16, 1,257,151.01 and 358,520.00

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Solution

The fourth proportional to 838,312.16, 1,257,151.01 and 358,520.00 is: 537,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,312.16 : 1,257,151.01 = 358,520.00 : x
  2. Step 2: Convert to fraction form
    838,312.16/1,257,151.01 = 358,520.00/x
  3. Step 3: Cross multiply
    838,312.16x = 1,257,151.01 × 358,520.00
  4. Step 4: Simplify right side
    838,312.16x = 450,713,772,026.85
  5. Step 5: Solve for x
    x = 450,713,772,026.85/838,312.16
  6. Step 6: Final answer
    x = 537,644.32

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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.