Home / 890,521.56-1,228,175.06-584,359.79

Finding the Fourth Proportional to 890,521.56, 1,228,175.06 and 584,359.79

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Solution

The fourth proportional to 890,521.56, 1,228,175.06 and 584,359.79 is: 805,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,521.56 : 1,228,175.06 = 584,359.79 : x
  2. Step 2: Convert to fraction form
    890,521.56/1,228,175.06 = 584,359.79/x
  3. Step 3: Cross multiply
    890,521.56x = 1,228,175.06 × 584,359.79
  4. Step 4: Simplify right side
    890,521.56x = 717,696,111,082.16
  5. Step 5: Solve for x
    x = 717,696,111,082.16/890,521.56
  6. Step 6: Final answer
    x = 805,927.83

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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.