Home / 776,623.68-1,071,597.60-437,019.84

Finding the Fourth Proportional to 776,623.68, 1,071,597.60 and 437,019.84

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Solution

The fourth proportional to 776,623.68, 1,071,597.60 and 437,019.84 is: 603,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,623.68 : 1,071,597.60 = 437,019.84 : x
  2. Step 2: Convert to fraction form
    776,623.68/1,071,597.60 = 437,019.84/x
  3. Step 3: Cross multiply
    776,623.68x = 1,071,597.60 × 437,019.84
  4. Step 4: Simplify right side
    776,623.68x = 468,309,411,696.38
  5. Step 5: Solve for x
    x = 468,309,411,696.38/776,623.68
  6. Step 6: Final answer
    x = 603,006.87

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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.