Home / 1,003,032.39-1,384,159.70-561,500.79

Finding the Fourth Proportional to 1,003,032.39, 1,384,159.70 and 561,500.79

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Solution

The fourth proportional to 1,003,032.39, 1,384,159.70 and 561,500.79 is: 774,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,032.39 : 1,384,159.70 = 561,500.79 : x
  2. Step 2: Convert to fraction form
    1,003,032.39/1,384,159.70 = 561,500.79/x
  3. Step 3: Cross multiply
    1,003,032.39x = 1,384,159.70 × 561,500.79
  4. Step 4: Simplify right side
    1,003,032.39x = 777,206,762,228.66
  5. Step 5: Solve for x
    x = 777,206,762,228.66/1,003,032.39
  6. Step 6: Final answer
    x = 774,857.09

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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.