Home / 1,162,987.42-1,604,687.38-679,459.16

Finding the Fourth Proportional to 1,162,987.42, 1,604,687.38 and 679,459.16

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Solution

The fourth proportional to 1,162,987.42, 1,604,687.38 and 679,459.16 is: 937,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,987.42 : 1,604,687.38 = 679,459.16 : x
  2. Step 2: Convert to fraction form
    1,162,987.42/1,604,687.38 = 679,459.16/x
  3. Step 3: Cross multiply
    1,162,987.42x = 1,604,687.38 × 679,459.16
  4. Step 4: Simplify right side
    1,162,987.42x = 1,090,319,539,277.40
  5. Step 5: Solve for x
    x = 1,090,319,539,277.40/1,162,987.42
  6. Step 6: Final answer
    x = 937,516.19

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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.