Home / 807,988.16-1,117,039.20-606,434.24

Finding the Fourth Proportional to 807,988.16, 1,117,039.20 and 606,434.24

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Solution

The fourth proportional to 807,988.16, 1,117,039.20 and 606,434.24 is: 838,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,988.16 : 1,117,039.20 = 606,434.24 : x
  2. Step 2: Convert to fraction form
    807,988.16/1,117,039.20 = 606,434.24/x
  3. Step 3: Cross multiply
    807,988.16x = 1,117,039.20 × 606,434.24
  4. Step 4: Simplify right side
    807,988.16x = 677,410,818,302.21
  5. Step 5: Solve for x
    x = 677,410,818,302.21/807,988.16
  6. Step 6: Final answer
    x = 838,392.01

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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.