Home / 587,927.50-811,316.46-346,220.26

Finding the Fourth Proportional to 587,927.50, 811,316.46 and 346,220.26

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Solution

The fourth proportional to 587,927.50, 811,316.46 and 346,220.26 is: 477,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,927.50 : 811,316.46 = 346,220.26 : x
  2. Step 2: Convert to fraction form
    587,927.50/811,316.46 = 346,220.26/x
  3. Step 3: Cross multiply
    587,927.50x = 811,316.46 × 346,220.26
  4. Step 4: Simplify right side
    587,927.50x = 280,894,195,723.48
  5. Step 5: Solve for x
    x = 280,894,195,723.48/587,927.50
  6. Step 6: Final answer
    x = 477,770.13

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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.