Home / 679,228.80-1,018,843.20-616,243.20

Finding the Fourth Proportional to 679,228.80, 1,018,843.20 and 616,243.20

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Solution

The fourth proportional to 679,228.80, 1,018,843.20 and 616,243.20 is: 924,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,228.80 : 1,018,843.20 = 616,243.20 : x
  2. Step 2: Convert to fraction form
    679,228.80/1,018,843.20 = 616,243.20/x
  3. Step 3: Cross multiply
    679,228.80x = 1,018,843.20 × 616,243.20
  4. Step 4: Simplify right side
    679,228.80x = 627,855,193,866.24
  5. Step 5: Solve for x
    x = 627,855,193,866.24/679,228.80
  6. Step 6: Final answer
    x = 924,364.80

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1.5x scale

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.