Home / 1,137,721.88-1,570,061.54-621,482.94

Finding the Fourth Proportional to 1,137,721.88, 1,570,061.54 and 621,482.94

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Solution

The fourth proportional to 1,137,721.88, 1,570,061.54 and 621,482.94 is: 857,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,721.88 : 1,570,061.54 = 621,482.94 : x
  2. Step 2: Convert to fraction form
    1,137,721.88/1,570,061.54 = 621,482.94/x
  3. Step 3: Cross multiply
    1,137,721.88x = 1,570,061.54 × 621,482.94
  4. Step 4: Simplify right side
    1,137,721.88x = 975,766,461,860.13
  5. Step 5: Solve for x
    x = 975,766,461,860.13/1,137,721.88
  6. Step 6: Final answer
    x = 857,649.38

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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.