Home / 776,804.64-1,071,987.60-437,273.76

Finding the Fourth Proportional to 776,804.64, 1,071,987.60 and 437,273.76

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Solution

The fourth proportional to 776,804.64, 1,071,987.60 and 437,273.76 is: 603,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,804.64 : 1,071,987.60 = 437,273.76 : x
  2. Step 2: Convert to fraction form
    776,804.64/1,071,987.60 = 437,273.76/x
  3. Step 3: Cross multiply
    776,804.64x = 1,071,987.60 × 437,273.76
  4. Step 4: Simplify right side
    776,804.64x = 468,752,048,525.38
  5. Step 5: Solve for x
    x = 468,752,048,525.38/776,804.64
  6. Step 6: Final answer
    x = 603,436.21

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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.