Home / 1,528,637.39-2,109,526.43-840,353.59

Finding the Fourth Proportional to 1,528,637.39, 2,109,526.43 and 840,353.59

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Solution

The fourth proportional to 1,528,637.39, 2,109,526.43 and 840,353.59 is: 1,159,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,637.39 : 2,109,526.43 = 840,353.59 : x
  2. Step 2: Convert to fraction form
    1,528,637.39/2,109,526.43 = 840,353.59/x
  3. Step 3: Cross multiply
    1,528,637.39x = 2,109,526.43 × 840,353.59
  4. Step 4: Simplify right side
    1,528,637.39x = 1,772,748,099,174.80
  5. Step 5: Solve for x
    x = 1,772,748,099,174.80/1,528,637.39
  6. Step 6: Final answer
    x = 1,159,691.71

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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.