Home / 340,436.58-469,773.45-189,547.62

Finding the Fourth Proportional to 340,436.58, 469,773.45 and 189,547.62

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Solution

The fourth proportional to 340,436.58, 469,773.45 and 189,547.62 is: 261,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,436.58 : 469,773.45 = 189,547.62 : x
  2. Step 2: Convert to fraction form
    340,436.58/469,773.45 = 189,547.62/x
  3. Step 3: Cross multiply
    340,436.58x = 469,773.45 × 189,547.62
  4. Step 4: Simplify right side
    340,436.58x = 89,044,439,386.69
  5. Step 5: Solve for x
    x = 89,044,439,386.69/340,436.58
  6. Step 6: Final answer
    x = 261,559.55

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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.