Home / 806,088.40-1,111,646.82-500,214.40

Finding the Fourth Proportional to 806,088.40, 1,111,646.82 and 500,214.40

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Solution

The fourth proportional to 806,088.40, 1,111,646.82 and 500,214.40 is: 689,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,088.40 : 1,111,646.82 = 500,214.40 : x
  2. Step 2: Convert to fraction form
    806,088.40/1,111,646.82 = 500,214.40/x
  3. Step 3: Cross multiply
    806,088.40x = 1,111,646.82 × 500,214.40
  4. Step 4: Simplify right side
    806,088.40x = 556,061,747,078.21
  5. Step 5: Solve for x
    x = 556,061,747,078.21/806,088.40
  6. Step 6: Final answer
    x = 689,827.25

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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.