Home / 289,036.10-433,554.15-259,511.60

Finding the Fourth Proportional to 289,036.10, 433,554.15 and 259,511.60

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Solution

The fourth proportional to 289,036.10, 433,554.15 and 259,511.60 is: 389,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,036.10 : 433,554.15 = 259,511.60 : x
  2. Step 2: Convert to fraction form
    289,036.10/433,554.15 = 259,511.60/x
  3. Step 3: Cross multiply
    289,036.10x = 433,554.15 × 259,511.60
  4. Step 4: Simplify right side
    289,036.10x = 112,512,331,153.14
  5. Step 5: Solve for x
    x = 112,512,331,153.14/289,036.10
  6. Step 6: Final answer
    x = 389,267.40

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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.