Home / 830,399.36-1,146,137.64-543,752.96

Finding the Fourth Proportional to 830,399.36, 1,146,137.64 and 543,752.96

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Solution

The fourth proportional to 830,399.36, 1,146,137.64 and 543,752.96 is: 750,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,399.36 : 1,146,137.64 = 543,752.96 : x
  2. Step 2: Convert to fraction form
    830,399.36/1,146,137.64 = 543,752.96/x
  3. Step 3: Cross multiply
    830,399.36x = 1,146,137.64 × 543,752.96
  4. Step 4: Simplify right side
    830,399.36x = 623,215,734,317.41
  5. Step 5: Solve for x
    x = 623,215,734,317.41/830,399.36
  6. Step 6: Final answer
    x = 750,501.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.