Home / 826,176.61-1,140,120.65-463,599.65

Finding the Fourth Proportional to 826,176.61, 1,140,120.65 and 463,599.65

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Solution

The fourth proportional to 826,176.61, 1,140,120.65 and 463,599.65 is: 639,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,176.61 : 1,140,120.65 = 463,599.65 : x
  2. Step 2: Convert to fraction form
    826,176.61/1,140,120.65 = 463,599.65/x
  3. Step 3: Cross multiply
    826,176.61x = 1,140,120.65 × 463,599.65
  4. Step 4: Simplify right side
    826,176.61x = 528,559,526,279.17
  5. Step 5: Solve for x
    x = 528,559,526,279.17/826,176.61
  6. Step 6: Final answer
    x = 639,765.79

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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.