Home / 885,285.40-1,326,344.10-538,437.40

Finding the Fourth Proportional to 885,285.40, 1,326,344.10 and 538,437.40

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Solution

The fourth proportional to 885,285.40, 1,326,344.10 and 538,437.40 is: 806,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,285.40 : 1,326,344.10 = 538,437.40 : x
  2. Step 2: Convert to fraction form
    885,285.40/1,326,344.10 = 538,437.40/x
  3. Step 3: Cross multiply
    885,285.40x = 1,326,344.10 × 538,437.40
  4. Step 4: Simplify right side
    885,285.40x = 714,153,268,709.34
  5. Step 5: Solve for x
    x = 714,153,268,709.34/885,285.40
  6. Step 6: Final answer
    x = 806,692.70

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Double scale
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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.