Home / 838,583.88-1,157,264.74-475,973.81

Finding the Fourth Proportional to 838,583.88, 1,157,264.74 and 475,973.81

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Solution

The fourth proportional to 838,583.88, 1,157,264.74 and 475,973.81 is: 656,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,583.88 : 1,157,264.74 = 475,973.81 : x
  2. Step 2: Convert to fraction form
    838,583.88/1,157,264.74 = 475,973.81/x
  3. Step 3: Cross multiply
    838,583.88x = 1,157,264.74 × 475,973.81
  4. Step 4: Simplify right side
    838,583.88x = 550,827,707,476.46
  5. Step 5: Solve for x
    x = 550,827,707,476.46/838,583.88
  6. Step 6: Final answer
    x = 656,854.63

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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.