Home / 1,500,645-2,070,697.22-856,026.72

Finding the Fourth Proportional to 1,500,645, 2,070,697.22 and 856,026.72

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Solution

The fourth proportional to 1,500,645, 2,070,697.22 and 856,026.72 is: 1,181,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,645 : 2,070,697.22 = 856,026.72 : x
  2. Step 2: Convert to fraction form
    1,500,645/2,070,697.22 = 856,026.72/x
  3. Step 3: Cross multiply
    1,500,645x = 2,070,697.22 × 856,026.72
  4. Step 4: Simplify right side
    1,500,645x = 1,772,572,149,349.72
  5. Step 5: Solve for x
    x = 1,772,572,149,349.72/1,500,645
  6. Step 6: Final answer
    x = 1,181,206.85

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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.