Home / 1,528,925.44-2,109,921.32-840,667.66

Finding the Fourth Proportional to 1,528,925.44, 2,109,921.32 and 840,667.66

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Solution

The fourth proportional to 1,528,925.44, 2,109,921.32 and 840,667.66 is: 1,160,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,925.44 : 2,109,921.32 = 840,667.66 : x
  2. Step 2: Convert to fraction form
    1,528,925.44/2,109,921.32 = 840,667.66/x
  3. Step 3: Cross multiply
    1,528,925.44x = 2,109,921.32 × 840,667.66
  4. Step 4: Simplify right side
    1,528,925.44x = 1,773,742,618,868.51
  5. Step 5: Solve for x
    x = 1,773,742,618,868.51/1,528,925.44
  6. Step 6: Final answer
    x = 1,160,123.69

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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.