Home / 807,238.07-1,210,264.17-386,809.19

Finding the Fourth Proportional to 807,238.07, 1,210,264.17 and 386,809.19

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Solution

The fourth proportional to 807,238.07, 1,210,264.17 and 386,809.19 is: 579,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,238.07 : 1,210,264.17 = 386,809.19 : x
  2. Step 2: Convert to fraction form
    807,238.07/1,210,264.17 = 386,809.19/x
  3. Step 3: Cross multiply
    807,238.07x = 1,210,264.17 × 386,809.19
  4. Step 4: Simplify right side
    807,238.07x = 468,141,297,232.40
  5. Step 5: Solve for x
    x = 468,141,297,232.40/807,238.07
  6. Step 6: Final answer
    x = 579,929.66

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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.