Home / 886,393.53-1,330,005.51-436,869.36

Finding the Fourth Proportional to 886,393.53, 1,330,005.51 and 436,869.36

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Solution

The fourth proportional to 886,393.53, 1,330,005.51 and 436,869.36 is: 655,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,393.53 : 1,330,005.51 = 436,869.36 : x
  2. Step 2: Convert to fraction form
    886,393.53/1,330,005.51 = 436,869.36/x
  3. Step 3: Cross multiply
    886,393.53x = 1,330,005.51 × 436,869.36
  4. Step 4: Simplify right side
    886,393.53x = 581,038,655,950.17
  5. Step 5: Solve for x
    x = 581,038,655,950.17/886,393.53
  6. Step 6: Final answer
    x = 655,508.68

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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.