Home / 749,919.16-1,034,886.54-410,384.44

Finding the Fourth Proportional to 749,919.16, 1,034,886.54 and 410,384.44

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Solution

The fourth proportional to 749,919.16, 1,034,886.54 and 410,384.44 is: 566,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,919.16 : 1,034,886.54 = 410,384.44 : x
  2. Step 2: Convert to fraction form
    749,919.16/1,034,886.54 = 410,384.44/x
  3. Step 3: Cross multiply
    749,919.16x = 1,034,886.54 × 410,384.44
  4. Step 4: Simplify right side
    749,919.16x = 424,701,333,181.44
  5. Step 5: Solve for x
    x = 424,701,333,181.44/749,919.16
  6. Step 6: Final answer
    x = 566,329.49

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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.