Home / 776,178.51-1,071,124.68-436,646.76

Finding the Fourth Proportional to 776,178.51, 1,071,124.68 and 436,646.76

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Solution

The fourth proportional to 776,178.51, 1,071,124.68 and 436,646.76 is: 602,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,178.51 : 1,071,124.68 = 436,646.76 : x
  2. Step 2: Convert to fraction form
    776,178.51/1,071,124.68 = 436,646.76/x
  3. Step 3: Cross multiply
    776,178.51x = 1,071,124.68 × 436,646.76
  4. Step 4: Simplify right side
    776,178.51x = 467,703,121,078.04
  5. Step 5: Solve for x
    x = 467,703,121,078.04/776,178.51
  6. Step 6: Final answer
    x = 602,571.59

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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.