Home / 1,586,182.59-2,188,934.75-861,030.80

Finding the Fourth Proportional to 1,586,182.59, 2,188,934.75 and 861,030.80

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Solution

The fourth proportional to 1,586,182.59, 2,188,934.75 and 861,030.80 is: 1,188,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,182.59 : 2,188,934.75 = 861,030.80 : x
  2. Step 2: Convert to fraction form
    1,586,182.59/2,188,934.75 = 861,030.80/x
  3. Step 3: Cross multiply
    1,586,182.59x = 2,188,934.75 × 861,030.80
  4. Step 4: Simplify right side
    1,586,182.59x = 1,884,740,223,690.47
  5. Step 5: Solve for x
    x = 1,884,740,223,690.47/1,586,182.59
  6. Step 6: Final answer
    x = 1,188,224.00

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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.