Home / 658,329.03-986,916.71-316,601.16

Finding the Fourth Proportional to 658,329.03, 986,916.71 and 316,601.16

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Solution

The fourth proportional to 658,329.03, 986,916.71 and 316,601.16 is: 474,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,329.03 : 986,916.71 = 316,601.16 : x
  2. Step 2: Convert to fraction form
    658,329.03/986,916.71 = 316,601.16/x
  3. Step 3: Cross multiply
    658,329.03x = 986,916.71 × 316,601.16
  4. Step 4: Simplify right side
    658,329.03x = 312,458,973,626.38
  5. Step 5: Solve for x
    x = 312,458,973,626.38/658,329.03
  6. Step 6: Final answer
    x = 474,624.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.