Home / 839,506.82-1,158,560.51-472,099.59

Finding the Fourth Proportional to 839,506.82, 1,158,560.51 and 472,099.59

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Solution

The fourth proportional to 839,506.82, 1,158,560.51 and 472,099.59 is: 651,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,506.82 : 1,158,560.51 = 472,099.59 : x
  2. Step 2: Convert to fraction form
    839,506.82/1,158,560.51 = 472,099.59/x
  3. Step 3: Cross multiply
    839,506.82x = 1,158,560.51 × 472,099.59
  4. Step 4: Simplify right side
    839,506.82x = 546,955,941,761.19
  5. Step 5: Solve for x
    x = 546,955,941,761.19/839,506.82
  6. Step 6: Final answer
    x = 651,520.55

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Double scale
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1.5x scale

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.