Home / 685,877.19-1,024,643.96-444,020.73

Finding the Fourth Proportional to 685,877.19, 1,024,643.96 and 444,020.73

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Solution

The fourth proportional to 685,877.19, 1,024,643.96 and 444,020.73 is: 663,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,877.19 : 1,024,643.96 = 444,020.73 : x
  2. Step 2: Convert to fraction form
    685,877.19/1,024,643.96 = 444,020.73/x
  3. Step 3: Cross multiply
    685,877.19x = 1,024,643.96 × 444,020.73
  4. Step 4: Simplify right side
    685,877.19x = 454,963,156,889.19
  5. Step 5: Solve for x
    x = 454,963,156,889.19/685,877.19
  6. Step 6: Final answer
    x = 663,330.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.