Home / 1,298,447.80-1,956,534.56-1,066,975.72

Finding the Fourth Proportional to 1,298,447.80, 1,956,534.56 and 1,066,975.72

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Solution

The fourth proportional to 1,298,447.80, 1,956,534.56 and 1,066,975.72 is: 1,607,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,447.80 : 1,956,534.56 = 1,066,975.72 : x
  2. Step 2: Convert to fraction form
    1,298,447.80/1,956,534.56 = 1,066,975.72/x
  3. Step 3: Cross multiply
    1,298,447.80x = 1,956,534.56 × 1,066,975.72
  4. Step 4: Simplify right side
    1,298,447.80x = 2,087,574,869,972.25
  5. Step 5: Solve for x
    x = 2,087,574,869,972.25/1,298,447.80
  6. Step 6: Final answer
    x = 1,607,746.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.