Home / 1,012,379.63-1,397,113.04-559,699.79

Finding the Fourth Proportional to 1,012,379.63, 1,397,113.04 and 559,699.79

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Solution

The fourth proportional to 1,012,379.63, 1,397,113.04 and 559,699.79 is: 772,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,379.63 : 1,397,113.04 = 559,699.79 : x
  2. Step 2: Convert to fraction form
    1,012,379.63/1,397,113.04 = 559,699.79/x
  3. Step 3: Cross multiply
    1,012,379.63x = 1,397,113.04 × 559,699.79
  4. Step 4: Simplify right side
    1,012,379.63x = 781,963,869,507.95
  5. Step 5: Solve for x
    x = 781,963,869,507.95/1,012,379.63
  6. Step 6: Final answer
    x = 772,401.82

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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.