Home / 975,703.82-1,346,406.21-540,091.69

Finding the Fourth Proportional to 975,703.82, 1,346,406.21 and 540,091.69

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Solution

The fourth proportional to 975,703.82, 1,346,406.21 and 540,091.69 is: 745,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,703.82 : 1,346,406.21 = 540,091.69 : x
  2. Step 2: Convert to fraction form
    975,703.82/1,346,406.21 = 540,091.69/x
  3. Step 3: Cross multiply
    975,703.82x = 1,346,406.21 × 540,091.69
  4. Step 4: Simplify right side
    975,703.82x = 727,182,809,093.75
  5. Step 5: Solve for x
    x = 727,182,809,093.75/975,703.82
  6. Step 6: Final answer
    x = 745,290.52

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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.