Home / 776,385.27-1,164,815.58-397,574.21

Finding the Fourth Proportional to 776,385.27, 1,164,815.58 and 397,574.21

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Solution

The fourth proportional to 776,385.27, 1,164,815.58 and 397,574.21 is: 596,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,385.27 : 1,164,815.58 = 397,574.21 : x
  2. Step 2: Convert to fraction form
    776,385.27/1,164,815.58 = 397,574.21/x
  3. Step 3: Cross multiply
    776,385.27x = 1,164,815.58 × 397,574.21
  4. Step 4: Simplify right side
    776,385.27x = 463,100,638,417.13
  5. Step 5: Solve for x
    x = 463,100,638,417.13/776,385.27
  6. Step 6: Final answer
    x = 596,483.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.