Home / 943,404.84-1,301,231.52-912,159.90

Finding the Fourth Proportional to 943,404.84, 1,301,231.52 and 912,159.90

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Solution

The fourth proportional to 943,404.84, 1,301,231.52 and 912,159.90 is: 1,258,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,404.84 : 1,301,231.52 = 912,159.90 : x
  2. Step 2: Convert to fraction form
    943,404.84/1,301,231.52 = 912,159.90/x
  3. Step 3: Cross multiply
    943,404.84x = 1,301,231.52 × 912,159.90
  4. Step 4: Simplify right side
    943,404.84x = 1,186,931,213,160.05
  5. Step 5: Solve for x
    x = 1,186,931,213,160.05/943,404.84
  6. Step 6: Final answer
    x = 1,258,135.60

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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.