Home / 1,112,337.40-1,535,066.94-628,873.71

Finding the Fourth Proportional to 1,112,337.40, 1,535,066.94 and 628,873.71

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Solution

The fourth proportional to 1,112,337.40, 1,535,066.94 and 628,873.71 is: 867,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,337.40 : 1,535,066.94 = 628,873.71 : x
  2. Step 2: Convert to fraction form
    1,112,337.40/1,535,066.94 = 628,873.71/x
  3. Step 3: Cross multiply
    1,112,337.40x = 1,535,066.94 × 628,873.71
  4. Step 4: Simplify right side
    1,112,337.40x = 965,363,233,980.81
  5. Step 5: Solve for x
    x = 965,363,233,980.81/1,112,337.40
  6. Step 6: Final answer
    x = 867,869.08

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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.