Home / 905,418.51-1,248,621.08-594,772.65

Finding the Fourth Proportional to 905,418.51, 1,248,621.08 and 594,772.65

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Solution

The fourth proportional to 905,418.51, 1,248,621.08 and 594,772.65 is: 820,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,418.51 : 1,248,621.08 = 594,772.65 : x
  2. Step 2: Convert to fraction form
    905,418.51/1,248,621.08 = 594,772.65/x
  3. Step 3: Cross multiply
    905,418.51x = 1,248,621.08 × 594,772.65
  4. Step 4: Simplify right side
    905,418.51x = 742,645,668,597.46
  5. Step 5: Solve for x
    x = 742,645,668,597.46/905,418.51
  6. Step 6: Final answer
    x = 820,223.64

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Double scale
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1.5x scale

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.