Home / 1,276,940.08-1,915,410.12-435,499.12

Finding the Fourth Proportional to 1,276,940.08, 1,915,410.12 and 435,499.12

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Solution

The fourth proportional to 1,276,940.08, 1,915,410.12 and 435,499.12 is: 653,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,940.08 : 1,915,410.12 = 435,499.12 : x
  2. Step 2: Convert to fraction form
    1,276,940.08/1,915,410.12 = 435,499.12/x
  3. Step 3: Cross multiply
    1,276,940.08x = 1,915,410.12 × 435,499.12
  4. Step 4: Simplify right side
    1,276,940.08x = 834,159,421,699.10
  5. Step 5: Solve for x
    x = 834,159,421,699.10/1,276,940.08
  6. Step 6: Final answer
    x = 653,248.68

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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.