Home / 1,110,459.17-1,666,352.36-1,020,114.20

Finding the Fourth Proportional to 1,110,459.17, 1,666,352.36 and 1,020,114.20

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Solution

The fourth proportional to 1,110,459.17, 1,666,352.36 and 1,020,114.20 is: 1,530,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,459.17 : 1,666,352.36 = 1,020,114.20 : x
  2. Step 2: Convert to fraction form
    1,110,459.17/1,666,352.36 = 1,020,114.20/x
  3. Step 3: Cross multiply
    1,110,459.17x = 1,666,352.36 × 1,020,114.20
  4. Step 4: Simplify right side
    1,110,459.17x = 1,699,869,711,355.68
  5. Step 5: Solve for x
    x = 1,699,869,711,355.68/1,110,459.17
  6. Step 6: Final answer
    x = 1,530,780.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.