Home / 1,139,602.20-1,572,545.28-630,293.64

Finding the Fourth Proportional to 1,139,602.20, 1,572,545.28 and 630,293.64

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Solution

The fourth proportional to 1,139,602.20, 1,572,545.28 and 630,293.64 is: 869,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,602.20 : 1,572,545.28 = 630,293.64 : x
  2. Step 2: Convert to fraction form
    1,139,602.20/1,572,545.28 = 630,293.64/x
  3. Step 3: Cross multiply
    1,139,602.20x = 1,572,545.28 × 630,293.64
  4. Step 4: Simplify right side
    1,139,602.20x = 991,165,288,596.02
  5. Step 5: Solve for x
    x = 991,165,288,596.02/1,139,602.20
  6. Step 6: Final answer
    x = 869,746.73

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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.