Home / 516,547.53-712,823.90-298,739.75

Finding the Fourth Proportional to 516,547.53, 712,823.90 and 298,739.75

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Solution

The fourth proportional to 516,547.53, 712,823.90 and 298,739.75 is: 412,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,547.53 : 712,823.90 = 298,739.75 : x
  2. Step 2: Convert to fraction form
    516,547.53/712,823.90 = 298,739.75/x
  3. Step 3: Cross multiply
    516,547.53x = 712,823.90 × 298,739.75
  4. Step 4: Simplify right side
    516,547.53x = 212,948,828,622.21
  5. Step 5: Solve for x
    x = 212,948,828,622.21/516,547.53
  6. Step 6: Final answer
    x = 412,254.08

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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.