Home / 808,603.18-1,115,880.17-446,042.32

Finding the Fourth Proportional to 808,603.18, 1,115,880.17 and 446,042.32

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Solution

The fourth proportional to 808,603.18, 1,115,880.17 and 446,042.32 is: 615,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,603.18 : 1,115,880.17 = 446,042.32 : x
  2. Step 2: Convert to fraction form
    808,603.18/1,115,880.17 = 446,042.32/x
  3. Step 3: Cross multiply
    808,603.18x = 1,115,880.17 × 446,042.32
  4. Step 4: Simplify right side
    808,603.18x = 497,729,779,868.79
  5. Step 5: Solve for x
    x = 497,729,779,868.79/808,603.18
  6. Step 6: Final answer
    x = 615,542.69

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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.