Home / 876,644.60-1,314,966.90-455,865.80

Finding the Fourth Proportional to 876,644.60, 1,314,966.90 and 455,865.80

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Solution

The fourth proportional to 876,644.60, 1,314,966.90 and 455,865.80 is: 683,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,644.60 : 1,314,966.90 = 455,865.80 : x
  2. Step 2: Convert to fraction form
    876,644.60/1,314,966.90 = 455,865.80/x
  3. Step 3: Cross multiply
    876,644.60x = 1,314,966.90 × 455,865.80
  4. Step 4: Simplify right side
    876,644.60x = 599,448,437,842.02
  5. Step 5: Solve for x
    x = 599,448,437,842.02/876,644.60
  6. Step 6: Final answer
    x = 683,798.70

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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.