Home / 461,918.10-692,877.15-440,266.80

Finding the Fourth Proportional to 461,918.10, 692,877.15 and 440,266.80

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Solution

The fourth proportional to 461,918.10, 692,877.15 and 440,266.80 is: 660,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,918.10 : 692,877.15 = 440,266.80 : x
  2. Step 2: Convert to fraction form
    461,918.10/692,877.15 = 440,266.80/x
  3. Step 3: Cross multiply
    461,918.10x = 692,877.15 × 440,266.80
  4. Step 4: Simplify right side
    461,918.10x = 305,050,805,623.62
  5. Step 5: Solve for x
    x = 305,050,805,623.62/461,918.10
  6. Step 6: Final answer
    x = 660,400.20

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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.