Home / 1,009,117.84-1,392,575.10-550,240.28

Finding the Fourth Proportional to 1,009,117.84, 1,392,575.10 and 550,240.28

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Solution

The fourth proportional to 1,009,117.84, 1,392,575.10 and 550,240.28 is: 759,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,117.84 : 1,392,575.10 = 550,240.28 : x
  2. Step 2: Convert to fraction form
    1,009,117.84/1,392,575.10 = 550,240.28/x
  3. Step 3: Cross multiply
    1,009,117.84x = 1,392,575.10 × 550,240.28
  4. Step 4: Simplify right side
    1,009,117.84x = 766,250,912,945.03
  5. Step 5: Solve for x
    x = 766,250,912,945.03/1,009,117.84
  6. Step 6: Final answer
    x = 759,327.49

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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.