Home / 513,534.06-708,663.75-284,085.42

Finding the Fourth Proportional to 513,534.06, 708,663.75 and 284,085.42

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Solution

The fourth proportional to 513,534.06, 708,663.75 and 284,085.42 is: 392,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,534.06 : 708,663.75 = 284,085.42 : x
  2. Step 2: Convert to fraction form
    513,534.06/708,663.75 = 284,085.42/x
  3. Step 3: Cross multiply
    513,534.06x = 708,663.75 × 284,085.42
  4. Step 4: Simplify right side
    513,534.06x = 201,321,039,057.53
  5. Step 5: Solve for x
    x = 201,321,039,057.53/513,534.06
  6. Step 6: Final answer
    x = 392,030.55

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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.