Home / 1,144,630.96-1,579,269.90-715,347.16

Finding the Fourth Proportional to 1,144,630.96, 1,579,269.90 and 715,347.16

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Solution

The fourth proportional to 1,144,630.96, 1,579,269.90 and 715,347.16 is: 986,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,630.96 : 1,579,269.90 = 715,347.16 : x
  2. Step 2: Convert to fraction form
    1,144,630.96/1,579,269.90 = 715,347.16/x
  3. Step 3: Cross multiply
    1,144,630.96x = 1,579,269.90 × 715,347.16
  4. Step 4: Simplify right side
    1,144,630.96x = 1,129,726,237,838.48
  5. Step 5: Solve for x
    x = 1,129,726,237,838.48/1,144,630.96
  6. Step 6: Final answer
    x = 986,978.58

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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.