Home / 837,688.50-1,155,922.65-474,996.42

Finding the Fourth Proportional to 837,688.50, 1,155,922.65 and 474,996.42

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Solution

The fourth proportional to 837,688.50, 1,155,922.65 and 474,996.42 is: 655,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,688.50 : 1,155,922.65 = 474,996.42 : x
  2. Step 2: Convert to fraction form
    837,688.50/1,155,922.65 = 474,996.42/x
  3. Step 3: Cross multiply
    837,688.50x = 1,155,922.65 × 474,996.42
  4. Step 4: Simplify right side
    837,688.50x = 549,059,120,546.91
  5. Step 5: Solve for x
    x = 549,059,120,546.91/837,688.50
  6. Step 6: Final answer
    x = 655,445.46

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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.