Home / 1,813,952.90-2,720,929.36-661,285.94

Finding the Fourth Proportional to 1,813,952.90, 2,720,929.36 and 661,285.94

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Solution

The fourth proportional to 1,813,952.90, 2,720,929.36 and 661,285.94 is: 991,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,952.90 : 2,720,929.36 = 661,285.94 : x
  2. Step 2: Convert to fraction form
    1,813,952.90/2,720,929.36 = 661,285.94/x
  3. Step 3: Cross multiply
    1,813,952.90x = 2,720,929.36 × 661,285.94
  4. Step 4: Simplify right side
    1,813,952.90x = 1,799,312,329,501.20
  5. Step 5: Solve for x
    x = 1,799,312,329,501.20/1,813,952.90
  6. Step 6: Final answer
    x = 991,928.91

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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.