Home / 1,134,112.80-1,701,399.60-386,234.40

Finding the Fourth Proportional to 1,134,112.80, 1,701,399.60 and 386,234.40

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Solution

The fourth proportional to 1,134,112.80, 1,701,399.60 and 386,234.40 is: 579,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,112.80 : 1,701,399.60 = 386,234.40 : x
  2. Step 2: Convert to fraction form
    1,134,112.80/1,701,399.60 = 386,234.40/x
  3. Step 3: Cross multiply
    1,134,112.80x = 1,701,399.60 × 386,234.40
  4. Step 4: Simplify right side
    1,134,112.80x = 657,139,053,666.24
  5. Step 5: Solve for x
    x = 657,139,053,666.24/1,134,112.80
  6. Step 6: Final answer
    x = 579,430.07

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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.