Home / 776,384.76-1,071,408.72-436,853.04

Finding the Fourth Proportional to 776,384.76, 1,071,408.72 and 436,853.04

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Solution

The fourth proportional to 776,384.76, 1,071,408.72 and 436,853.04 is: 602,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,384.76 : 1,071,408.72 = 436,853.04 : x
  2. Step 2: Convert to fraction form
    776,384.76/1,071,408.72 = 436,853.04/x
  3. Step 3: Cross multiply
    776,384.76x = 1,071,408.72 × 436,853.04
  4. Step 4: Simplify right side
    776,384.76x = 468,048,156,414.51
  5. Step 5: Solve for x
    x = 468,048,156,414.51/776,384.76
  6. Step 6: Final answer
    x = 602,855.93

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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.