Home / 616,918.36-851,281.50-344,958.16

Finding the Fourth Proportional to 616,918.36, 851,281.50 and 344,958.16

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Solution

The fourth proportional to 616,918.36, 851,281.50 and 344,958.16 is: 476,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,918.36 : 851,281.50 = 344,958.16 : x
  2. Step 2: Convert to fraction form
    616,918.36/851,281.50 = 344,958.16/x
  3. Step 3: Cross multiply
    616,918.36x = 851,281.50 × 344,958.16
  4. Step 4: Simplify right side
    616,918.36x = 293,656,499,882.04
  5. Step 5: Solve for x
    x = 293,656,499,882.04/616,918.36
  6. Step 6: Final answer
    x = 476,005.45

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1.5x scale

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.