Home / 1,054,456.07-1,455,150.15-571,021.74

Finding the Fourth Proportional to 1,054,456.07, 1,455,150.15 and 571,021.74

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Solution

The fourth proportional to 1,054,456.07, 1,455,150.15 and 571,021.74 is: 788,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,456.07 : 1,455,150.15 = 571,021.74 : x
  2. Step 2: Convert to fraction form
    1,054,456.07/1,455,150.15 = 571,021.74/x
  3. Step 3: Cross multiply
    1,054,456.07x = 1,455,150.15 × 571,021.74
  4. Step 4: Simplify right side
    1,054,456.07x = 830,922,370,614.26
  5. Step 5: Solve for x
    x = 830,922,370,614.26/1,054,456.07
  6. Step 6: Final answer
    x = 788,010.42

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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.