Home / 1,412,657.10-2,118,938.81-613,939.59

Finding the Fourth Proportional to 1,412,657.10, 2,118,938.81 and 613,939.59

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Solution

The fourth proportional to 1,412,657.10, 2,118,938.81 and 613,939.59 is: 920,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,657.10 : 2,118,938.81 = 613,939.59 : x
  2. Step 2: Convert to fraction form
    1,412,657.10/2,118,938.81 = 613,939.59/x
  3. Step 3: Cross multiply
    1,412,657.10x = 2,118,938.81 × 613,939.59
  4. Step 4: Simplify right side
    1,412,657.10x = 1,300,900,421,176.79
  5. Step 5: Solve for x
    x = 1,300,900,421,176.79/1,412,657.10
  6. Step 6: Final answer
    x = 920,889.03

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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.