Home / 1,037,021.57-1,555,530.53-405,492.51

Finding the Fourth Proportional to 1,037,021.57, 1,555,530.53 and 405,492.51

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Solution

The fourth proportional to 1,037,021.57, 1,555,530.53 and 405,492.51 is: 608,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,021.57 : 1,555,530.53 = 405,492.51 : x
  2. Step 2: Convert to fraction form
    1,037,021.57/1,555,530.53 = 405,492.51/x
  3. Step 3: Cross multiply
    1,037,021.57x = 1,555,530.53 × 405,492.51
  4. Step 4: Simplify right side
    1,037,021.57x = 630,755,976,963.87
  5. Step 5: Solve for x
    x = 630,755,976,963.87/1,037,021.57
  6. Step 6: Final answer
    x = 608,238.05

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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.