Home / 1,000,545.65-1,380,746.66-541,656.87

Finding the Fourth Proportional to 1,000,545.65, 1,380,746.66 and 541,656.87

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Solution

The fourth proportional to 1,000,545.65, 1,380,746.66 and 541,656.87 is: 747,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,545.65 : 1,380,746.66 = 541,656.87 : x
  2. Step 2: Convert to fraction form
    1,000,545.65/1,380,746.66 = 541,656.87/x
  3. Step 3: Cross multiply
    1,000,545.65x = 1,380,746.66 × 541,656.87
  4. Step 4: Simplify right side
    1,000,545.65x = 747,890,911,410.27
  5. Step 5: Solve for x
    x = 747,890,911,410.27/1,000,545.65
  6. Step 6: Final answer
    x = 747,483.05

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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.