Home / 1,500,435.27-2,070,600.51-812,107

Finding the Fourth Proportional to 1,500,435.27, 2,070,600.51 and 812,107

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Solution

The fourth proportional to 1,500,435.27, 2,070,600.51 and 812,107 is: 1,120,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,435.27 : 2,070,600.51 = 812,107 : x
  2. Step 2: Convert to fraction form
    1,500,435.27/2,070,600.51 = 812,107/x
  3. Step 3: Cross multiply
    1,500,435.27x = 2,070,600.51 × 812,107
  4. Step 4: Simplify right side
    1,500,435.27x = 1,681,549,168,374.57
  5. Step 5: Solve for x
    x = 1,681,549,168,374.57/1,500,435.27
  6. Step 6: Final answer
    x = 1,120,707.58

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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.