Home / 909,468.14-1,255,154.76-679,626.34

Finding the Fourth Proportional to 909,468.14, 1,255,154.76 and 679,626.34

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Solution

The fourth proportional to 909,468.14, 1,255,154.76 and 679,626.34 is: 937,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,468.14 : 1,255,154.76 = 679,626.34 : x
  2. Step 2: Convert to fraction form
    909,468.14/1,255,154.76 = 679,626.34/x
  3. Step 3: Cross multiply
    909,468.14x = 1,255,154.76 × 679,626.34
  4. Step 4: Simplify right side
    909,468.14x = 853,036,232,534.49
  5. Step 5: Solve for x
    x = 853,036,232,534.49/909,468.14
  6. Step 6: Final answer
    x = 937,950.65

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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.