Home / 1,257,496.20-1,886,244.30-753,611.40

Finding the Fourth Proportional to 1,257,496.20, 1,886,244.30 and 753,611.40

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Solution

The fourth proportional to 1,257,496.20, 1,886,244.30 and 753,611.40 is: 1,130,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,496.20 : 1,886,244.30 = 753,611.40 : x
  2. Step 2: Convert to fraction form
    1,257,496.20/1,886,244.30 = 753,611.40/x
  3. Step 3: Cross multiply
    1,257,496.20x = 1,886,244.30 × 753,611.40
  4. Step 4: Simplify right side
    1,257,496.20x = 1,421,495,207,665.02
  5. Step 5: Solve for x
    x = 1,421,495,207,665.02/1,257,496.20
  6. Step 6: Final answer
    x = 1,130,417.10

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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.