Home / 969,303.58-1,337,682.81-561,423.22

Finding the Fourth Proportional to 969,303.58, 1,337,682.81 and 561,423.22

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Solution

The fourth proportional to 969,303.58, 1,337,682.81 and 561,423.22 is: 774,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,303.58 : 1,337,682.81 = 561,423.22 : x
  2. Step 2: Convert to fraction form
    969,303.58/1,337,682.81 = 561,423.22/x
  3. Step 3: Cross multiply
    969,303.58x = 1,337,682.81 × 561,423.22
  4. Step 4: Simplify right side
    969,303.58x = 751,006,190,528.85
  5. Step 5: Solve for x
    x = 751,006,190,528.85/969,303.58
  6. Step 6: Final answer
    x = 774,789.45

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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.