Home / 1,009,050.52-1,392,500.58-550,161.34

Finding the Fourth Proportional to 1,009,050.52, 1,392,500.58 and 550,161.34

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Solution

The fourth proportional to 1,009,050.52, 1,392,500.58 and 550,161.34 is: 759,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,050.52 : 1,392,500.58 = 550,161.34 : x
  2. Step 2: Convert to fraction form
    1,009,050.52/1,392,500.58 = 550,161.34/x
  3. Step 3: Cross multiply
    1,009,050.52x = 1,392,500.58 × 550,161.34
  4. Step 4: Simplify right side
    1,009,050.52x = 766,099,985,043.58
  5. Step 5: Solve for x
    x = 766,099,985,043.58/1,009,050.52
  6. Step 6: Final answer
    x = 759,228.57

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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.