Home / 826,180.10-1,140,125.48-463,603.14

Finding the Fourth Proportional to 826,180.10, 1,140,125.48 and 463,603.14

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Solution

The fourth proportional to 826,180.10, 1,140,125.48 and 463,603.14 is: 639,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,180.10 : 1,140,125.48 = 463,603.14 : x
  2. Step 2: Convert to fraction form
    826,180.10/1,140,125.48 = 463,603.14/x
  3. Step 3: Cross multiply
    826,180.10x = 1,140,125.48 × 463,603.14
  4. Step 4: Simplify right side
    826,180.10x = 528,565,752,522.01
  5. Step 5: Solve for x
    x = 528,565,752,522.01/826,180.10
  6. Step 6: Final answer
    x = 639,770.62

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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.