Home / 1,866,380.52-2,799,621.84-518,547

Finding the Fourth Proportional to 1,866,380.52, 2,799,621.84 and 518,547

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Solution

The fourth proportional to 1,866,380.52, 2,799,621.84 and 518,547 is: 777,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,380.52 : 2,799,621.84 = 518,547 : x
  2. Step 2: Convert to fraction form
    1,866,380.52/2,799,621.84 = 518,547/x
  3. Step 3: Cross multiply
    1,866,380.52x = 2,799,621.84 × 518,547
  4. Step 4: Simplify right side
    1,866,380.52x = 1,451,735,506,266.48
  5. Step 5: Solve for x
    x = 1,451,735,506,266.48/1,866,380.52
  6. Step 6: Final answer
    x = 777,834.69

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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.