Home / 913,900.12-1,371,136.96-549,581.04

Finding the Fourth Proportional to 913,900.12, 1,371,136.96 and 549,581.04

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Solution

The fourth proportional to 913,900.12, 1,371,136.96 and 549,581.04 is: 824,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,900.12 : 1,371,136.96 = 549,581.04 : x
  2. Step 2: Convert to fraction form
    913,900.12/1,371,136.96 = 549,581.04/x
  3. Step 3: Cross multiply
    913,900.12x = 1,371,136.96 × 549,581.04
  4. Step 4: Simplify right side
    913,900.12x = 753,550,876,459.24
  5. Step 5: Solve for x
    x = 753,550,876,459.24/913,900.12
  6. Step 6: Final answer
    x = 824,544.02

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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.