Home / 1,127,024.07-1,690,812.92-328,312.63

Finding the Fourth Proportional to 1,127,024.07, 1,690,812.92 and 328,312.63

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Solution

The fourth proportional to 1,127,024.07, 1,690,812.92 and 328,312.63 is: 492,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,024.07 : 1,690,812.92 = 328,312.63 : x
  2. Step 2: Convert to fraction form
    1,127,024.07/1,690,812.92 = 328,312.63/x
  3. Step 3: Cross multiply
    1,127,024.07x = 1,690,812.92 × 328,312.63
  4. Step 4: Simplify right side
    1,127,024.07x = 555,115,234,961.62
  5. Step 5: Solve for x
    x = 555,115,234,961.62/1,127,024.07
  6. Step 6: Final answer
    x = 492,549.58

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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.