Home / 694,153.51-957,925.17-388,226.23

Finding the Fourth Proportional to 694,153.51, 957,925.17 and 388,226.23

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Solution

The fourth proportional to 694,153.51, 957,925.17 and 388,226.23 is: 535,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,153.51 : 957,925.17 = 388,226.23 : x
  2. Step 2: Convert to fraction form
    694,153.51/957,925.17 = 388,226.23/x
  3. Step 3: Cross multiply
    694,153.51x = 957,925.17 × 388,226.23
  4. Step 4: Simplify right side
    694,153.51x = 371,891,674,976.40
  5. Step 5: Solve for x
    x = 371,891,674,976.40/694,153.51
  6. Step 6: Final answer
    x = 535,748.46

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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.