Home / 768,866.00-1,061,030.85-424,725.60

Finding the Fourth Proportional to 768,866.00, 1,061,030.85 and 424,725.60

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Solution

The fourth proportional to 768,866.00, 1,061,030.85 and 424,725.60 is: 586,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,866.00 : 1,061,030.85 = 424,725.60 : x
  2. Step 2: Convert to fraction form
    768,866.00/1,061,030.85 = 424,725.60/x
  3. Step 3: Cross multiply
    768,866.00x = 1,061,030.85 × 424,725.60
  4. Step 4: Simplify right side
    768,866.00x = 450,646,962,261.13
  5. Step 5: Solve for x
    x = 450,646,962,261.13/768,866.00
  6. Step 6: Final answer
    x = 586,118.99

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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.