Home / 886,904.59-1,329,515.19-287,444.53

Finding the Fourth Proportional to 886,904.59, 1,329,515.19 and 287,444.53

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Solution

The fourth proportional to 886,904.59, 1,329,515.19 and 287,444.53 is: 430,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,904.59 : 1,329,515.19 = 287,444.53 : x
  2. Step 2: Convert to fraction form
    886,904.59/1,329,515.19 = 287,444.53/x
  3. Step 3: Cross multiply
    886,904.59x = 1,329,515.19 × 287,444.53
  4. Step 4: Simplify right side
    886,904.59x = 382,161,868,917.41
  5. Step 5: Solve for x
    x = 382,161,868,917.41/886,904.59
  6. Step 6: Final answer
    x = 430,894.00

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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.