Home / 926,903.40-1,390,355.10-327,884.10

Finding the Fourth Proportional to 926,903.40, 1,390,355.10 and 327,884.10

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Solution

The fourth proportional to 926,903.40, 1,390,355.10 and 327,884.10 is: 491,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,903.40 : 1,390,355.10 = 327,884.10 : x
  2. Step 2: Convert to fraction form
    926,903.40/1,390,355.10 = 327,884.10/x
  3. Step 3: Cross multiply
    926,903.40x = 1,390,355.10 × 327,884.10
  4. Step 4: Simplify right side
    926,903.40x = 455,875,330,643.91
  5. Step 5: Solve for x
    x = 455,875,330,643.91/926,903.40
  6. Step 6: Final answer
    x = 491,826.15

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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.