Home / 712,875.44-1,070,985.30-672,524.48

Finding the Fourth Proportional to 712,875.44, 1,070,985.30 and 672,524.48

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Solution

The fourth proportional to 712,875.44, 1,070,985.30 and 672,524.48 is: 1,010,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,875.44 : 1,070,985.30 = 672,524.48 : x
  2. Step 2: Convert to fraction form
    712,875.44/1,070,985.30 = 672,524.48/x
  3. Step 3: Cross multiply
    712,875.44x = 1,070,985.30 × 672,524.48
  4. Step 4: Simplify right side
    712,875.44x = 720,263,831,970.14
  5. Step 5: Solve for x
    x = 720,263,831,970.14/712,875.44
  6. Step 6: Final answer
    x = 1,010,364.21

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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.