Home / 1,281,656.14-1,920,802.50-943,111.58

Finding the Fourth Proportional to 1,281,656.14, 1,920,802.50 and 943,111.58

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Solution

The fourth proportional to 1,281,656.14, 1,920,802.50 and 943,111.58 is: 1,413,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,656.14 : 1,920,802.50 = 943,111.58 : x
  2. Step 2: Convert to fraction form
    1,281,656.14/1,920,802.50 = 943,111.58/x
  3. Step 3: Cross multiply
    1,281,656.14x = 1,920,802.50 × 943,111.58
  4. Step 4: Simplify right side
    1,281,656.14x = 1,811,531,071,038.94
  5. Step 5: Solve for x
    x = 1,811,531,071,038.94/1,281,656.14
  6. Step 6: Final answer
    x = 1,413,429.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.