Home / 930,612.76-1,283,918.54-608,511.40

Finding the Fourth Proportional to 930,612.76, 1,283,918.54 and 608,511.40

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Solution

The fourth proportional to 930,612.76, 1,283,918.54 and 608,511.40 is: 839,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,612.76 : 1,283,918.54 = 608,511.40 : x
  2. Step 2: Convert to fraction form
    930,612.76/1,283,918.54 = 608,511.40/x
  3. Step 3: Cross multiply
    930,612.76x = 1,283,918.54 × 608,511.40
  4. Step 4: Simplify right side
    930,612.76x = 781,279,068,261.36
  5. Step 5: Solve for x
    x = 781,279,068,261.36/930,612.76
  6. Step 6: Final answer
    x = 839,531.87

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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.