Home / 516,963.07-713,445.20-302,126.77

Finding the Fourth Proportional to 516,963.07, 713,445.20 and 302,126.77

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Solution

The fourth proportional to 516,963.07, 713,445.20 and 302,126.77 is: 416,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,963.07 : 713,445.20 = 302,126.77 : x
  2. Step 2: Convert to fraction form
    516,963.07/713,445.20 = 302,126.77/x
  3. Step 3: Cross multiply
    516,963.07x = 713,445.20 × 302,126.77
  4. Step 4: Simplify right side
    516,963.07x = 215,550,893,848.00
  5. Step 5: Solve for x
    x = 215,550,893,848.00/516,963.07
  6. Step 6: Final answer
    x = 416,956.08

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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.