Home / 513,112.17-708,095.88-286,757.67

Finding the Fourth Proportional to 513,112.17, 708,095.88 and 286,757.67

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Solution

The fourth proportional to 513,112.17, 708,095.88 and 286,757.67 is: 395,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,112.17 : 708,095.88 = 286,757.67 : x
  2. Step 2: Convert to fraction form
    513,112.17/708,095.88 = 286,757.67/x
  3. Step 3: Cross multiply
    513,112.17x = 708,095.88 × 286,757.67
  4. Step 4: Simplify right side
    513,112.17x = 203,051,924,685.40
  5. Step 5: Solve for x
    x = 203,051,924,685.40/513,112.17
  6. Step 6: Final answer
    x = 395,726.19

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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.