Home / 1,059,581.86-1,588,411.49-385,186.86

Finding the Fourth Proportional to 1,059,581.86, 1,588,411.49 and 385,186.86

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Solution

The fourth proportional to 1,059,581.86, 1,588,411.49 and 385,186.86 is: 577,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,581.86 : 1,588,411.49 = 385,186.86 : x
  2. Step 2: Convert to fraction form
    1,059,581.86/1,588,411.49 = 385,186.86/x
  3. Step 3: Cross multiply
    1,059,581.86x = 1,588,411.49 × 385,186.86
  4. Step 4: Simplify right side
    1,059,581.86x = 611,835,232,295.09
  5. Step 5: Solve for x
    x = 611,835,232,295.09/1,059,581.86
  6. Step 6: Final answer
    x = 577,430.83

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Double scale
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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.