Home / 673,073.40-1,009,610.10-646,501.35

Finding the Fourth Proportional to 673,073.40, 1,009,610.10 and 646,501.35

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Solution

The fourth proportional to 673,073.40, 1,009,610.10 and 646,501.35 is: 969,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,073.40 : 1,009,610.10 = 646,501.35 : x
  2. Step 2: Convert to fraction form
    673,073.40/1,009,610.10 = 646,501.35/x
  3. Step 3: Cross multiply
    673,073.40x = 1,009,610.10 × 646,501.35
  4. Step 4: Simplify right side
    673,073.40x = 652,714,292,623.64
  5. Step 5: Solve for x
    x = 652,714,292,623.64/673,073.40
  6. Step 6: Final answer
    x = 969,752.03

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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.