Home / 402,293.02-603,439.50-102,774.24

Finding the Fourth Proportional to 402,293.02, 603,439.50 and 102,774.24

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Solution

The fourth proportional to 402,293.02, 603,439.50 and 102,774.24 is: 154,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,293.02 : 603,439.50 = 102,774.24 : x
  2. Step 2: Convert to fraction form
    402,293.02/603,439.50 = 102,774.24/x
  3. Step 3: Cross multiply
    402,293.02x = 603,439.50 × 102,774.24
  4. Step 4: Simplify right side
    402,293.02x = 62,018,035,998.48
  5. Step 5: Solve for x
    x = 62,018,035,998.48/402,293.02
  6. Step 6: Final answer
    x = 154,161.35

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1.5x scale

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.