Home / 584,128.46-806,153.72-354,632.58

Finding the Fourth Proportional to 584,128.46, 806,153.72 and 354,632.58

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Solution

The fourth proportional to 584,128.46, 806,153.72 and 354,632.58 is: 489,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,128.46 : 806,153.72 = 354,632.58 : x
  2. Step 2: Convert to fraction form
    584,128.46/806,153.72 = 354,632.58/x
  3. Step 3: Cross multiply
    584,128.46x = 806,153.72 × 354,632.58
  4. Step 4: Simplify right side
    584,128.46x = 285,888,371,827.04
  5. Step 5: Solve for x
    x = 285,888,371,827.04/584,128.46
  6. Step 6: Final answer
    x = 489,427.22

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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.