Home / 885,259.40-1,326,305.10-538,411.40

Finding the Fourth Proportional to 885,259.40, 1,326,305.10 and 538,411.40

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Solution

The fourth proportional to 885,259.40, 1,326,305.10 and 538,411.40 is: 806,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,259.40 : 1,326,305.10 = 538,411.40 : x
  2. Step 2: Convert to fraction form
    885,259.40/1,326,305.10 = 538,411.40/x
  3. Step 3: Cross multiply
    885,259.40x = 1,326,305.10 × 538,411.40
  4. Step 4: Simplify right side
    885,259.40x = 714,097,785,718.14
  5. Step 5: Solve for x
    x = 714,097,785,718.14/885,259.40
  6. Step 6: Final answer
    x = 806,653.72

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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.