Home / 1,333,726.09-1,840,541.86-721,878.74

Finding the Fourth Proportional to 1,333,726.09, 1,840,541.86 and 721,878.74

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Solution

The fourth proportional to 1,333,726.09, 1,840,541.86 and 721,878.74 is: 996,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,726.09 : 1,840,541.86 = 721,878.74 : x
  2. Step 2: Convert to fraction form
    1,333,726.09/1,840,541.86 = 721,878.74/x
  3. Step 3: Cross multiply
    1,333,726.09x = 1,840,541.86 × 721,878.74
  4. Step 4: Simplify right side
    1,333,726.09x = 1,328,648,038,814.06
  5. Step 5: Solve for x
    x = 1,328,648,038,814.06/1,333,726.09
  6. Step 6: Final answer
    x = 996,192.58

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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.