Home / 949,405.99-1,308,612.40-707,600.33

Finding the Fourth Proportional to 949,405.99, 1,308,612.40 and 707,600.33

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Solution

The fourth proportional to 949,405.99, 1,308,612.40 and 707,600.33 is: 975,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,405.99 : 1,308,612.40 = 707,600.33 : x
  2. Step 2: Convert to fraction form
    949,405.99/1,308,612.40 = 707,600.33/x
  3. Step 3: Cross multiply
    949,405.99x = 1,308,612.40 × 707,600.33
  4. Step 4: Simplify right side
    949,405.99x = 925,974,566,082.09
  5. Step 5: Solve for x
    x = 925,974,566,082.09/949,405.99
  6. Step 6: Final answer
    x = 975,319.91

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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.