Home / 1,137,719.63-1,570,058.45-621,480.69

Finding the Fourth Proportional to 1,137,719.63, 1,570,058.45 and 621,480.69

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Solution

The fourth proportional to 1,137,719.63, 1,570,058.45 and 621,480.69 is: 857,646.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,719.63 : 1,570,058.45 = 621,480.69 : x
  2. Step 2: Convert to fraction form
    1,137,719.63/1,570,058.45 = 621,480.69/x
  3. Step 3: Cross multiply
    1,137,719.63x = 1,570,058.45 × 621,480.69
  4. Step 4: Simplify right side
    1,137,719.63x = 975,760,997,888.64
  5. Step 5: Solve for x
    x = 975,760,997,888.64/1,137,719.63
  6. Step 6: Final answer
    x = 857,646.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.