Home / 963,837.34-1,330,079.61-528,251.34

Finding the Fourth Proportional to 963,837.34, 1,330,079.61 and 528,251.34

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Solution

The fourth proportional to 963,837.34, 1,330,079.61 and 528,251.34 is: 728,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,837.34 : 1,330,079.61 = 528,251.34 : x
  2. Step 2: Convert to fraction form
    963,837.34/1,330,079.61 = 528,251.34/x
  3. Step 3: Cross multiply
    963,837.34x = 1,330,079.61 × 528,251.34
  4. Step 4: Simplify right side
    963,837.34x = 702,616,329,638.78
  5. Step 5: Solve for x
    x = 702,616,329,638.78/963,837.34
  6. Step 6: Final answer
    x = 728,978.12

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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.