Home / 1,316,966.67-1,974,542.22-518,339.91

Finding the Fourth Proportional to 1,316,966.67, 1,974,542.22 and 518,339.91

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Solution

The fourth proportional to 1,316,966.67, 1,974,542.22 and 518,339.91 is: 777,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,966.67 : 1,974,542.22 = 518,339.91 : x
  2. Step 2: Convert to fraction form
    1,316,966.67/1,974,542.22 = 518,339.91/x
  3. Step 3: Cross multiply
    1,316,966.67x = 1,974,542.22 × 518,339.91
  4. Step 4: Simplify right side
    1,316,966.67x = 1,023,484,036,606.00
  5. Step 5: Solve for x
    x = 1,023,484,036,606.00/1,316,966.67
  6. Step 6: Final answer
    x = 777,152.57

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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.