Home / 1,385,006.88-1,911,301.56-773,124.24

Finding the Fourth Proportional to 1,385,006.88, 1,911,301.56 and 773,124.24

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Solution

The fourth proportional to 1,385,006.88, 1,911,301.56 and 773,124.24 is: 1,066,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,006.88 : 1,911,301.56 = 773,124.24 : x
  2. Step 2: Convert to fraction form
    1,385,006.88/1,911,301.56 = 773,124.24/x
  3. Step 3: Cross multiply
    1,385,006.88x = 1,911,301.56 × 773,124.24
  4. Step 4: Simplify right side
    1,385,006.88x = 1,477,673,565,985.81
  5. Step 5: Solve for x
    x = 1,477,673,565,985.81/1,385,006.88
  6. Step 6: Final answer
    x = 1,066,907.02

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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.