Home / 698,699.32-964,141.46-404,298.16

Finding the Fourth Proportional to 698,699.32, 964,141.46 and 404,298.16

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Solution

The fourth proportional to 698,699.32, 964,141.46 and 404,298.16 is: 557,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,699.32 : 964,141.46 = 404,298.16 : x
  2. Step 2: Convert to fraction form
    698,699.32/964,141.46 = 404,298.16/x
  3. Step 3: Cross multiply
    698,699.32x = 964,141.46 × 404,298.16
  4. Step 4: Simplify right side
    698,699.32x = 389,800,618,257.71
  5. Step 5: Solve for x
    x = 389,800,618,257.71/698,699.32
  6. Step 6: Final answer
    x = 557,894.66

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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.