Home / 950,924.41-1,312,307.42-521,205.64

Finding the Fourth Proportional to 950,924.41, 1,312,307.42 and 521,205.64

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Solution

The fourth proportional to 950,924.41, 1,312,307.42 and 521,205.64 is: 719,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,924.41 : 1,312,307.42 = 521,205.64 : x
  2. Step 2: Convert to fraction form
    950,924.41/1,312,307.42 = 521,205.64/x
  3. Step 3: Cross multiply
    950,924.41x = 1,312,307.42 × 521,205.64
  4. Step 4: Simplify right side
    950,924.41x = 683,982,028,717.85
  5. Step 5: Solve for x
    x = 683,982,028,717.85/950,924.41
  6. Step 6: Final answer
    x = 719,281.18

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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.