Home / 1,140,111.40-1,573,058.46-681,038.08

Finding the Fourth Proportional to 1,140,111.40, 1,573,058.46 and 681,038.08

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Solution

The fourth proportional to 1,140,111.40, 1,573,058.46 and 681,038.08 is: 939,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,111.40 : 1,573,058.46 = 681,038.08 : x
  2. Step 2: Convert to fraction form
    1,140,111.40/1,573,058.46 = 681,038.08/x
  3. Step 3: Cross multiply
    1,140,111.40x = 1,573,058.46 × 681,038.08
  4. Step 4: Simplify right side
    1,140,111.40x = 1,071,312,713,326.16
  5. Step 5: Solve for x
    x = 1,071,312,713,326.16/1,140,111.40
  6. Step 6: Final answer
    x = 939,656.17

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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.