Home / 673,210.20-1,009,815.30-460,633.80

Finding the Fourth Proportional to 673,210.20, 1,009,815.30 and 460,633.80

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Solution

The fourth proportional to 673,210.20, 1,009,815.30 and 460,633.80 is: 690,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,210.20 : 1,009,815.30 = 460,633.80 : x
  2. Step 2: Convert to fraction form
    673,210.20/1,009,815.30 = 460,633.80/x
  3. Step 3: Cross multiply
    673,210.20x = 1,009,815.30 × 460,633.80
  4. Step 4: Simplify right side
    673,210.20x = 465,155,058,937.14
  5. Step 5: Solve for x
    x = 465,155,058,937.14/673,210.20
  6. Step 6: Final answer
    x = 690,950.70

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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.