Home / 602,448.40-831,432.57-330,569.24

Finding the Fourth Proportional to 602,448.40, 831,432.57 and 330,569.24

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Solution

The fourth proportional to 602,448.40, 831,432.57 and 330,569.24 is: 456,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,448.40 : 831,432.57 = 330,569.24 : x
  2. Step 2: Convert to fraction form
    602,448.40/831,432.57 = 330,569.24/x
  3. Step 3: Cross multiply
    602,448.40x = 831,432.57 × 330,569.24
  4. Step 4: Simplify right side
    602,448.40x = 274,846,027,379.35
  5. Step 5: Solve for x
    x = 274,846,027,379.35/602,448.40
  6. Step 6: Final answer
    x = 456,215.05

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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.