Home / 940,899.28-1,298,520.06-533,130.76

Finding the Fourth Proportional to 940,899.28, 1,298,520.06 and 533,130.76

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Solution

The fourth proportional to 940,899.28, 1,298,520.06 and 533,130.76 is: 735,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,899.28 : 1,298,520.06 = 533,130.76 : x
  2. Step 2: Convert to fraction form
    940,899.28/1,298,520.06 = 533,130.76/x
  3. Step 3: Cross multiply
    940,899.28x = 1,298,520.06 × 533,130.76
  4. Step 4: Simplify right side
    940,899.28x = 692,280,986,463.05
  5. Step 5: Solve for x
    x = 692,280,986,463.05/940,899.28
  6. Step 6: Final answer
    x = 735,765.24

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Double scale
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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.