Home / 623,370.02-860,677.53-397,321.70

Finding the Fourth Proportional to 623,370.02, 860,677.53 and 397,321.70

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Solution

The fourth proportional to 623,370.02, 860,677.53 and 397,321.70 is: 548,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,370.02 : 860,677.53 = 397,321.70 : x
  2. Step 2: Convert to fraction form
    623,370.02/860,677.53 = 397,321.70/x
  3. Step 3: Cross multiply
    623,370.02x = 860,677.53 × 397,321.70
  4. Step 4: Simplify right side
    623,370.02x = 341,965,859,371.40
  5. Step 5: Solve for x
    x = 341,965,859,371.40/623,370.02
  6. Step 6: Final answer
    x = 548,576.04

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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.