Home / 676,717.19-1,014,975.54-410,406.20

Finding the Fourth Proportional to 676,717.19, 1,014,975.54 and 410,406.20

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Solution

The fourth proportional to 676,717.19, 1,014,975.54 and 410,406.20 is: 615,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,717.19 : 1,014,975.54 = 410,406.20 : x
  2. Step 2: Convert to fraction form
    676,717.19/1,014,975.54 = 410,406.20/x
  3. Step 3: Cross multiply
    676,717.19x = 1,014,975.54 × 410,406.20
  4. Step 4: Simplify right side
    676,717.19x = 416,552,249,389.47
  5. Step 5: Solve for x
    x = 416,552,249,389.47/676,717.19
  6. Step 6: Final answer
    x = 615,548.50

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