Home / 822,938.40-1,234,407.60-403,034.40

Finding the Fourth Proportional to 822,938.40, 1,234,407.60 and 403,034.40

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Solution

The fourth proportional to 822,938.40, 1,234,407.60 and 403,034.40 is: 604,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,938.40 : 1,234,407.60 = 403,034.40 : x
  2. Step 2: Convert to fraction form
    822,938.40/1,234,407.60 = 403,034.40/x
  3. Step 3: Cross multiply
    822,938.40x = 1,234,407.60 × 403,034.40
  4. Step 4: Simplify right side
    822,938.40x = 497,508,726,421.44
  5. Step 5: Solve for x
    x = 497,508,726,421.44/822,938.40
  6. Step 6: Final answer
    x = 604,551.60

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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.