Home / 626,541.96-864,422.10-354,582.84

Finding the Fourth Proportional to 626,541.96, 864,422.10 and 354,582.84

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Solution

The fourth proportional to 626,541.96, 864,422.10 and 354,582.84 is: 489,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,541.96 : 864,422.10 = 354,582.84 : x
  2. Step 2: Convert to fraction form
    626,541.96/864,422.10 = 354,582.84/x
  3. Step 3: Cross multiply
    626,541.96x = 864,422.10 × 354,582.84
  4. Step 4: Simplify right side
    626,541.96x = 306,509,243,176.76
  5. Step 5: Solve for x
    x = 306,509,243,176.76/626,541.96
  6. Step 6: Final answer
    x = 489,207.85

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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.