Home / 868,547.61-1,198,595.81-481,388.02

Finding the Fourth Proportional to 868,547.61, 1,198,595.81 and 481,388.02

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Solution

The fourth proportional to 868,547.61, 1,198,595.81 and 481,388.02 is: 664,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,547.61 : 1,198,595.81 = 481,388.02 : x
  2. Step 2: Convert to fraction form
    868,547.61/1,198,595.81 = 481,388.02/x
  3. Step 3: Cross multiply
    868,547.61x = 1,198,595.81 × 481,388.02
  4. Step 4: Simplify right side
    868,547.61x = 576,989,663,756.20
  5. Step 5: Solve for x
    x = 576,989,663,756.20/868,547.61
  6. Step 6: Final answer
    x = 664,315.53

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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.