Home / 1,009,092.65-1,392,542.21-556,383.65

Finding the Fourth Proportional to 1,009,092.65, 1,392,542.21 and 556,383.65

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Solution

The fourth proportional to 1,009,092.65, 1,392,542.21 and 556,383.65 is: 767,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,092.65 : 1,392,542.21 = 556,383.65 : x
  2. Step 2: Convert to fraction form
    1,009,092.65/1,392,542.21 = 556,383.65/x
  3. Step 3: Cross multiply
    1,009,092.65x = 1,392,542.21 × 556,383.65
  4. Step 4: Simplify right side
    1,009,092.65x = 774,787,712,007.12
  5. Step 5: Solve for x
    x = 774,787,712,007.12/1,009,092.65
  6. Step 6: Final answer
    x = 767,806.32

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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.