Home / 948,807.60-1,423,211.40-317,655.60

Finding the Fourth Proportional to 948,807.60, 1,423,211.40 and 317,655.60

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Solution

The fourth proportional to 948,807.60, 1,423,211.40 and 317,655.60 is: 476,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,807.60 : 1,423,211.40 = 317,655.60 : x
  2. Step 2: Convert to fraction form
    948,807.60/1,423,211.40 = 317,655.60/x
  3. Step 3: Cross multiply
    948,807.60x = 1,423,211.40 × 317,655.60
  4. Step 4: Simplify right side
    948,807.60x = 452,091,071,193.84
  5. Step 5: Solve for x
    x = 452,091,071,193.84/948,807.60
  6. Step 6: Final answer
    x = 476,483.40

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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.