Home / 673,065.03-928,793.25-386,585.19

Finding the Fourth Proportional to 673,065.03, 928,793.25 and 386,585.19

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Solution

The fourth proportional to 673,065.03, 928,793.25 and 386,585.19 is: 533,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,065.03 : 928,793.25 = 386,585.19 : x
  2. Step 2: Convert to fraction form
    673,065.03/928,793.25 = 386,585.19/x
  3. Step 3: Cross multiply
    673,065.03x = 928,793.25 × 386,585.19
  4. Step 4: Simplify right side
    673,065.03x = 359,057,715,021.97
  5. Step 5: Solve for x
    x = 359,057,715,021.97/673,065.03
  6. Step 6: Final answer
    x = 533,466.60

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Half scale
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Double scale
Find fourth proportional to 673,066.03, 928,794.63 and 386,586.19
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.