Home / 833,860.80-1,249,916.40-328,226.40

Finding the Fourth Proportional to 833,860.80, 1,249,916.40 and 328,226.40

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Solution

The fourth proportional to 833,860.80, 1,249,916.40 and 328,226.40 is: 491,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,860.80 : 1,249,916.40 = 328,226.40 : x
  2. Step 2: Convert to fraction form
    833,860.80/1,249,916.40 = 328,226.40/x
  3. Step 3: Cross multiply
    833,860.80x = 1,249,916.40 × 328,226.40
  4. Step 4: Simplify right side
    833,860.80x = 410,255,560,272.96
  5. Step 5: Solve for x
    x = 410,255,560,272.96/833,860.80
  6. Step 6: Final answer
    x = 491,995.26

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1.5x scale

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.