Home / 1,385,981-1,912,653.78-750,077

Finding the Fourth Proportional to 1,385,981, 1,912,653.78 and 750,077

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Solution

The fourth proportional to 1,385,981, 1,912,653.78 and 750,077 is: 1,035,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,981 : 1,912,653.78 = 750,077 : x
  2. Step 2: Convert to fraction form
    1,385,981/1,912,653.78 = 750,077/x
  3. Step 3: Cross multiply
    1,385,981x = 1,912,653.78 × 750,077
  4. Step 4: Simplify right side
    1,385,981x = 1,434,637,609,341.06
  5. Step 5: Solve for x
    x = 1,434,637,609,341.06/1,385,981
  6. Step 6: Final answer
    x = 1,035,106.26

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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.