Home / 906,386.40-1,359,579.60-433,994.40

Finding the Fourth Proportional to 906,386.40, 1,359,579.60 and 433,994.40

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Solution

The fourth proportional to 906,386.40, 1,359,579.60 and 433,994.40 is: 650,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,386.40 : 1,359,579.60 = 433,994.40 : x
  2. Step 2: Convert to fraction form
    906,386.40/1,359,579.60 = 433,994.40/x
  3. Step 3: Cross multiply
    906,386.40x = 1,359,579.60 × 433,994.40
  4. Step 4: Simplify right side
    906,386.40x = 590,049,932,754.24
  5. Step 5: Solve for x
    x = 590,049,932,754.24/906,386.40
  6. Step 6: Final answer
    x = 650,991.60

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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.