Home / 1,070,418.43-1,605,227.61-430,506.18

Finding the Fourth Proportional to 1,070,418.43, 1,605,227.61 and 430,506.18

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Solution

The fourth proportional to 1,070,418.43, 1,605,227.61 and 430,506.18 is: 645,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,418.43 : 1,605,227.61 = 430,506.18 : x
  2. Step 2: Convert to fraction form
    1,070,418.43/1,605,227.61 = 430,506.18/x
  3. Step 3: Cross multiply
    1,070,418.43x = 1,605,227.61 × 430,506.18
  4. Step 4: Simplify right side
    1,070,418.43x = 691,060,404,259.10
  5. Step 5: Solve for x
    x = 691,060,404,259.10/1,070,418.43
  6. Step 6: Final answer
    x = 645,598.38

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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.