Home / 864,006.10-1,296,009.15-528,082.90

Finding the Fourth Proportional to 864,006.10, 1,296,009.15 and 528,082.90

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Solution

The fourth proportional to 864,006.10, 1,296,009.15 and 528,082.90 is: 792,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,006.10 : 1,296,009.15 = 528,082.90 : x
  2. Step 2: Convert to fraction form
    864,006.10/1,296,009.15 = 528,082.90/x
  3. Step 3: Cross multiply
    864,006.10x = 1,296,009.15 × 528,082.90
  4. Step 4: Simplify right side
    864,006.10x = 684,400,270,358.54
  5. Step 5: Solve for x
    x = 684,400,270,358.54/864,006.10
  6. Step 6: Final answer
    x = 792,124.35

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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.