Home / 673,074.40-1,009,611.60-646,502.35

Finding the Fourth Proportional to 673,074.40, 1,009,611.60 and 646,502.35

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Solution

The fourth proportional to 673,074.40, 1,009,611.60 and 646,502.35 is: 969,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,074.40 : 1,009,611.60 = 646,502.35 : x
  2. Step 2: Convert to fraction form
    673,074.40/1,009,611.60 = 646,502.35/x
  3. Step 3: Cross multiply
    673,074.40x = 1,009,611.60 × 646,502.35
  4. Step 4: Simplify right side
    673,074.40x = 652,716,271,987.26
  5. Step 5: Solve for x
    x = 652,716,271,987.26/673,074.40
  6. Step 6: Final answer
    x = 969,753.53

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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.