Home / 905,417.51-1,248,619.70-594,771.65

Finding the Fourth Proportional to 905,417.51, 1,248,619.70 and 594,771.65

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Solution

The fourth proportional to 905,417.51, 1,248,619.70 and 594,771.65 is: 820,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,417.51 : 1,248,619.70 = 594,771.65 : x
  2. Step 2: Convert to fraction form
    905,417.51/1,248,619.70 = 594,771.65/x
  3. Step 3: Cross multiply
    905,417.51x = 1,248,619.70 × 594,771.65
  4. Step 4: Simplify right side
    905,417.51x = 742,643,599,191.51
  5. Step 5: Solve for x
    x = 742,643,599,191.51/905,417.51
  6. Step 6: Final answer
    x = 820,222.26

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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.