Home / 1,185,926.24-1,636,566.28-642,047.60

Finding the Fourth Proportional to 1,185,926.24, 1,636,566.28 and 642,047.60

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Solution

The fourth proportional to 1,185,926.24, 1,636,566.28 and 642,047.60 is: 886,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,926.24 : 1,636,566.28 = 642,047.60 : x
  2. Step 2: Convert to fraction form
    1,185,926.24/1,636,566.28 = 642,047.60/x
  3. Step 3: Cross multiply
    1,185,926.24x = 1,636,566.28 × 642,047.60
  4. Step 4: Simplify right side
    1,185,926.24x = 1,050,753,452,314.93
  5. Step 5: Solve for x
    x = 1,050,753,452,314.93/1,185,926.24
  6. Step 6: Final answer
    x = 886,019.23

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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.