Home / 971,907.74-1,341,221.76-536,328.44

Finding the Fourth Proportional to 971,907.74, 1,341,221.76 and 536,328.44

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Solution

The fourth proportional to 971,907.74, 1,341,221.76 and 536,328.44 is: 740,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,907.74 : 1,341,221.76 = 536,328.44 : x
  2. Step 2: Convert to fraction form
    971,907.74/1,341,221.76 = 536,328.44/x
  3. Step 3: Cross multiply
    971,907.74x = 1,341,221.76 × 536,328.44
  4. Step 4: Simplify right side
    971,907.74x = 719,335,374,234.85
  5. Step 5: Solve for x
    x = 719,335,374,234.85/971,907.74
  6. Step 6: Final answer
    x = 740,127.22

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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.