Home / 1,225,123.40-1,833,998.70-1,077,667.40

Finding the Fourth Proportional to 1,225,123.40, 1,833,998.70 and 1,077,667.40

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Solution

The fourth proportional to 1,225,123.40, 1,833,998.70 and 1,077,667.40 is: 1,613,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,123.40 : 1,833,998.70 = 1,077,667.40 : x
  2. Step 2: Convert to fraction form
    1,225,123.40/1,833,998.70 = 1,077,667.40/x
  3. Step 3: Cross multiply
    1,225,123.40x = 1,833,998.70 × 1,077,667.40
  4. Step 4: Simplify right side
    1,225,123.40x = 1,976,440,610,632.38
  5. Step 5: Solve for x
    x = 1,976,440,610,632.38/1,225,123.40
  6. Step 6: Final answer
    x = 1,613,258.40

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1.5x scale

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.