Home / 806,278.40-1,209,806.40-569,110.40

Finding the Fourth Proportional to 806,278.40, 1,209,806.40 and 569,110.40

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Solution

The fourth proportional to 806,278.40, 1,209,806.40 and 569,110.40 is: 853,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,278.40 : 1,209,806.40 = 569,110.40 : x
  2. Step 2: Convert to fraction form
    806,278.40/1,209,806.40 = 569,110.40/x
  3. Step 3: Cross multiply
    806,278.40x = 1,209,806.40 × 569,110.40
  4. Step 4: Simplify right side
    806,278.40x = 688,513,404,226.56
  5. Step 5: Solve for x
    x = 688,513,404,226.56/806,278.40
  6. Step 6: Final answer
    x = 853,940.03

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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.