Home / 895,903.12-1,236,346.40-493,495.12

Finding the Fourth Proportional to 895,903.12, 1,236,346.40 and 493,495.12

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Solution

The fourth proportional to 895,903.12, 1,236,346.40 and 493,495.12 is: 681,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,903.12 : 1,236,346.40 = 493,495.12 : x
  2. Step 2: Convert to fraction form
    895,903.12/1,236,346.40 = 493,495.12/x
  3. Step 3: Cross multiply
    895,903.12x = 1,236,346.40 × 493,495.12
  4. Step 4: Simplify right side
    895,903.12x = 610,130,915,029.57
  5. Step 5: Solve for x
    x = 610,130,915,029.57/895,903.12
  6. Step 6: Final answer
    x = 681,023.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.