Home / 1,037,018.57-1,555,526.03-405,489.51

Finding the Fourth Proportional to 1,037,018.57, 1,555,526.03 and 405,489.51

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Solution

The fourth proportional to 1,037,018.57, 1,555,526.03 and 405,489.51 is: 608,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,018.57 : 1,555,526.03 = 405,489.51 : x
  2. Step 2: Convert to fraction form
    1,037,018.57/1,555,526.03 = 405,489.51/x
  3. Step 3: Cross multiply
    1,037,018.57x = 1,555,526.03 × 405,489.51
  4. Step 4: Simplify right side
    1,037,018.57x = 630,749,485,669.50
  5. Step 5: Solve for x
    x = 630,749,485,669.50/1,037,018.57
  6. Step 6: Final answer
    x = 608,233.55

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Double scale
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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.