Home / 935,761.18-1,291,328.85-553,794.34

Finding the Fourth Proportional to 935,761.18, 1,291,328.85 and 553,794.34

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Solution

The fourth proportional to 935,761.18, 1,291,328.85 and 553,794.34 is: 764,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,761.18 : 1,291,328.85 = 553,794.34 : x
  2. Step 2: Convert to fraction form
    935,761.18/1,291,328.85 = 553,794.34/x
  3. Step 3: Cross multiply
    935,761.18x = 1,291,328.85 × 553,794.34
  4. Step 4: Simplify right side
    935,761.18x = 715,130,608,208.71
  5. Step 5: Solve for x
    x = 715,130,608,208.71/935,761.18
  6. Step 6: Final answer
    x = 764,223.42

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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.