Home / 1,126,046.96-1,688,721.13-406,295.01

Finding the Fourth Proportional to 1,126,046.96, 1,688,721.13 and 406,295.01

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Solution

The fourth proportional to 1,126,046.96, 1,688,721.13 and 406,295.01 is: 609,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,046.96 : 1,688,721.13 = 406,295.01 : x
  2. Step 2: Convert to fraction form
    1,126,046.96/1,688,721.13 = 406,295.01/x
  3. Step 3: Cross multiply
    1,126,046.96x = 1,688,721.13 × 406,295.01
  4. Step 4: Simplify right side
    1,126,046.96x = 686,118,974,800.66
  5. Step 5: Solve for x
    x = 686,118,974,800.66/1,126,046.96
  6. Step 6: Final answer
    x = 609,316.48

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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.