Home / 840,919.10-1,160,104.30-514,246.39

Finding the Fourth Proportional to 840,919.10, 1,160,104.30 and 514,246.39

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Solution

The fourth proportional to 840,919.10, 1,160,104.30 and 514,246.39 is: 709,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,919.10 : 1,160,104.30 = 514,246.39 : x
  2. Step 2: Convert to fraction form
    840,919.10/1,160,104.30 = 514,246.39/x
  3. Step 3: Cross multiply
    840,919.10x = 1,160,104.30 × 514,246.39
  4. Step 4: Simplify right side
    840,919.10x = 596,579,444,112.60
  5. Step 5: Solve for x
    x = 596,579,444,112.60/840,919.10
  6. Step 6: Final answer
    x = 709,437.39

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Half scale
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Double scale
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Similar ratio
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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.