Home / 885,278.40-1,326,333.60-538,430.40

Finding the Fourth Proportional to 885,278.40, 1,326,333.60 and 538,430.40

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Solution

The fourth proportional to 885,278.40, 1,326,333.60 and 538,430.40 is: 806,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,278.40 : 1,326,333.60 = 538,430.40 : x
  2. Step 2: Convert to fraction form
    885,278.40/1,326,333.60 = 538,430.40/x
  3. Step 3: Cross multiply
    885,278.40x = 1,326,333.60 × 538,430.40
  4. Step 4: Simplify right side
    885,278.40x = 714,138,330,781.44
  5. Step 5: Solve for x
    x = 714,138,330,781.44/885,278.40
  6. Step 6: Final answer
    x = 806,682.20

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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.