Home / 761,843.84-1,051,356.33-417,711.20

Finding the Fourth Proportional to 761,843.84, 1,051,356.33 and 417,711.20

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Solution

The fourth proportional to 761,843.84, 1,051,356.33 and 417,711.20 is: 576,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,843.84 : 1,051,356.33 = 417,711.20 : x
  2. Step 2: Convert to fraction form
    761,843.84/1,051,356.33 = 417,711.20/x
  3. Step 3: Cross multiply
    761,843.84x = 1,051,356.33 × 417,711.20
  4. Step 4: Simplify right side
    761,843.84x = 439,163,308,975.11
  5. Step 5: Solve for x
    x = 439,163,308,975.11/761,843.84
  6. Step 6: Final answer
    x = 576,447.94

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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.