Home / 424,934.20-637,401.30-292,223.80

Finding the Fourth Proportional to 424,934.20, 637,401.30 and 292,223.80

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Solution

The fourth proportional to 424,934.20, 637,401.30 and 292,223.80 is: 438,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,934.20 : 637,401.30 = 292,223.80 : x
  2. Step 2: Convert to fraction form
    424,934.20/637,401.30 = 292,223.80/x
  3. Step 3: Cross multiply
    424,934.20x = 637,401.30 × 292,223.80
  4. Step 4: Simplify right side
    424,934.20x = 186,263,830,010.94
  5. Step 5: Solve for x
    x = 186,263,830,010.94/424,934.20
  6. Step 6: Final answer
    x = 438,335.70

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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.