Home / 679,478.03-937,655.77-373,552.19

Finding the Fourth Proportional to 679,478.03, 937,655.77 and 373,552.19

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Solution

The fourth proportional to 679,478.03, 937,655.77 and 373,552.19 is: 515,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,478.03 : 937,655.77 = 373,552.19 : x
  2. Step 2: Convert to fraction form
    679,478.03/937,655.77 = 373,552.19/x
  3. Step 3: Cross multiply
    679,478.03x = 937,655.77 × 373,552.19
  4. Step 4: Simplify right side
    679,478.03x = 350,263,366,349.64
  5. Step 5: Solve for x
    x = 350,263,366,349.64/679,478.03
  6. Step 6: Final answer
    x = 515,488.88

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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.