Home / 893,555.40-1,340,333.10-514,329.60

Finding the Fourth Proportional to 893,555.40, 1,340,333.10 and 514,329.60

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Solution

The fourth proportional to 893,555.40, 1,340,333.10 and 514,329.60 is: 771,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,555.40 : 1,340,333.10 = 514,329.60 : x
  2. Step 2: Convert to fraction form
    893,555.40/1,340,333.10 = 514,329.60/x
  3. Step 3: Cross multiply
    893,555.40x = 1,340,333.10 × 514,329.60
  4. Step 4: Simplify right side
    893,555.40x = 689,372,987,189.76
  5. Step 5: Solve for x
    x = 689,372,987,189.76/893,555.40
  6. Step 6: Final answer
    x = 771,494.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.