Home / 515,230.96-710,884.20-297,386.32

Finding the Fourth Proportional to 515,230.96, 710,884.20 and 297,386.32

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Solution

The fourth proportional to 515,230.96, 710,884.20 and 297,386.32 is: 410,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,230.96 : 710,884.20 = 297,386.32 : x
  2. Step 2: Convert to fraction form
    515,230.96/710,884.20 = 297,386.32/x
  3. Step 3: Cross multiply
    515,230.96x = 710,884.20 × 297,386.32
  4. Step 4: Simplify right side
    515,230.96x = 211,407,236,184.14
  5. Step 5: Solve for x
    x = 211,407,236,184.14/515,230.96
  6. Step 6: Final answer
    x = 410,315.48

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Similar ratio
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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.