Home / 762,616.60-1,051,973.64-475,638.46

Finding the Fourth Proportional to 762,616.60, 1,051,973.64 and 475,638.46

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Solution

The fourth proportional to 762,616.60, 1,051,973.64 and 475,638.46 is: 656,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,616.60 : 1,051,973.64 = 475,638.46 : x
  2. Step 2: Convert to fraction form
    762,616.60/1,051,973.64 = 475,638.46/x
  3. Step 3: Cross multiply
    762,616.60x = 1,051,973.64 × 475,638.46
  4. Step 4: Simplify right side
    762,616.60x = 500,359,122,090.19
  5. Step 5: Solve for x
    x = 500,359,122,090.19/762,616.60
  6. Step 6: Final answer
    x = 656,108.35

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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.