Home / 438,405.57-604,827.54-254,612.85

Finding the Fourth Proportional to 438,405.57, 604,827.54 and 254,612.85

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Solution

The fourth proportional to 438,405.57, 604,827.54 and 254,612.85 is: 351,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,405.57 : 604,827.54 = 254,612.85 : x
  2. Step 2: Convert to fraction form
    438,405.57/604,827.54 = 254,612.85/x
  3. Step 3: Cross multiply
    438,405.57x = 604,827.54 × 254,612.85
  4. Step 4: Simplify right side
    438,405.57x = 153,996,863,717.89
  5. Step 5: Solve for x
    x = 153,996,863,717.89/438,405.57
  6. Step 6: Final answer
    x = 351,265.76

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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.