Home / 761,293.71-1,142,072.33-255,904.11

Finding the Fourth Proportional to 761,293.71, 1,142,072.33 and 255,904.11

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Solution

The fourth proportional to 761,293.71, 1,142,072.33 and 255,904.11 is: 383,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,293.71 : 1,142,072.33 = 255,904.11 : x
  2. Step 2: Convert to fraction form
    761,293.71/1,142,072.33 = 255,904.11/x
  3. Step 3: Cross multiply
    761,293.71x = 1,142,072.33 × 255,904.11
  4. Step 4: Simplify right side
    761,293.71x = 292,261,001,884.76
  5. Step 5: Solve for x
    x = 292,261,001,884.76/761,293.71
  6. Step 6: Final answer
    x = 383,900.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.