Home / 807,235.07-1,210,259.68-386,806.19

Finding the Fourth Proportional to 807,235.07, 1,210,259.68 and 386,806.19

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Solution

The fourth proportional to 807,235.07, 1,210,259.68 and 386,806.19 is: 579,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,235.07 : 1,210,259.68 = 386,806.19 : x
  2. Step 2: Convert to fraction form
    807,235.07/1,210,259.68 = 386,806.19/x
  3. Step 3: Cross multiply
    807,235.07x = 1,210,259.68 × 386,806.19
  4. Step 4: Simplify right side
    807,235.07x = 468,135,928,713.11
  5. Step 5: Solve for x
    x = 468,135,928,713.11/807,235.07
  6. Step 6: Final answer
    x = 579,925.17

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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.