Home / 1,003,066.20-1,384,219.80-550,357.20

Finding the Fourth Proportional to 1,003,066.20, 1,384,219.80 and 550,357.20

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Solution

The fourth proportional to 1,003,066.20, 1,384,219.80 and 550,357.20 is: 759,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,066.20 : 1,384,219.80 = 550,357.20 : x
  2. Step 2: Convert to fraction form
    1,003,066.20/1,384,219.80 = 550,357.20/x
  3. Step 3: Cross multiply
    1,003,066.20x = 1,384,219.80 × 550,357.20
  4. Step 4: Simplify right side
    1,003,066.20x = 761,815,333,312.56
  5. Step 5: Solve for x
    x = 761,815,333,312.56/1,003,066.20
  6. Step 6: Final answer
    x = 759,486.60

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Double scale
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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.