Home / 905,340.58-1,248,901.54-614,967.13

Finding the Fourth Proportional to 905,340.58, 1,248,901.54 and 614,967.13

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Solution

The fourth proportional to 905,340.58, 1,248,901.54 and 614,967.13 is: 848,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,340.58 : 1,248,901.54 = 614,967.13 : x
  2. Step 2: Convert to fraction form
    905,340.58/1,248,901.54 = 614,967.13/x
  3. Step 3: Cross multiply
    905,340.58x = 1,248,901.54 × 614,967.13
  4. Step 4: Simplify right side
    905,340.58x = 768,033,395,706.38
  5. Step 5: Solve for x
    x = 768,033,395,706.38/905,340.58
  6. Step 6: Final answer
    x = 848,336.43

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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.