Home / 1,054,432.67-1,581,570.05-380,513.93

Finding the Fourth Proportional to 1,054,432.67, 1,581,570.05 and 380,513.93

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Solution

The fourth proportional to 1,054,432.67, 1,581,570.05 and 380,513.93 is: 570,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,432.67 : 1,581,570.05 = 380,513.93 : x
  2. Step 2: Convert to fraction form
    1,054,432.67/1,581,570.05 = 380,513.93/x
  3. Step 3: Cross multiply
    1,054,432.67x = 1,581,570.05 × 380,513.93
  4. Step 4: Simplify right side
    1,054,432.67x = 601,809,425,485.38
  5. Step 5: Solve for x
    x = 601,809,425,485.38/1,054,432.67
  6. Step 6: Final answer
    x = 570,742.40

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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.