Home / 776,837.28-1,072,055.28-437,317.44

Finding the Fourth Proportional to 776,837.28, 1,072,055.28 and 437,317.44

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Solution

The fourth proportional to 776,837.28, 1,072,055.28 and 437,317.44 is: 603,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,837.28 : 1,072,055.28 = 437,317.44 : x
  2. Step 2: Convert to fraction form
    776,837.28/1,072,055.28 = 437,317.44/x
  3. Step 3: Cross multiply
    776,837.28x = 1,072,055.28 × 437,317.44
  4. Step 4: Simplify right side
    776,837.28x = 468,828,470,588.08
  5. Step 5: Solve for x
    x = 468,828,470,588.08/776,837.28
  6. Step 6: Final answer
    x = 603,509.23

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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.