Home / 949,269.40-1,423,904.10-284,421.40

Finding the Fourth Proportional to 949,269.40, 1,423,904.10 and 284,421.40

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Solution

The fourth proportional to 949,269.40, 1,423,904.10 and 284,421.40 is: 426,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,269.40 : 1,423,904.10 = 284,421.40 : x
  2. Step 2: Convert to fraction form
    949,269.40/1,423,904.10 = 284,421.40/x
  3. Step 3: Cross multiply
    949,269.40x = 1,423,904.10 × 284,421.40
  4. Step 4: Simplify right side
    949,269.40x = 404,988,797,587.74
  5. Step 5: Solve for x
    x = 404,988,797,587.74/949,269.40
  6. Step 6: Final answer
    x = 426,632.10

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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.