Home / 1,270,527.32-1,905,386.34-417,400.94

Finding the Fourth Proportional to 1,270,527.32, 1,905,386.34 and 417,400.94

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Solution

The fourth proportional to 1,270,527.32, 1,905,386.34 and 417,400.94 is: 625,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,527.32 : 1,905,386.34 = 417,400.94 : x
  2. Step 2: Convert to fraction form
    1,270,527.32/1,905,386.34 = 417,400.94/x
  3. Step 3: Cross multiply
    1,270,527.32x = 1,905,386.34 × 417,400.94
  4. Step 4: Simplify right side
    1,270,527.32x = 795,310,049,379.16
  5. Step 5: Solve for x
    x = 795,310,049,379.16/1,270,527.32
  6. Step 6: Final answer
    x = 625,968.48

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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.