Home / 1,011,237.21-1,395,514.58-558,528.21

Finding the Fourth Proportional to 1,011,237.21, 1,395,514.58 and 558,528.21

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Solution

The fourth proportional to 1,011,237.21, 1,395,514.58 and 558,528.21 is: 770,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,237.21 : 1,395,514.58 = 558,528.21 : x
  2. Step 2: Convert to fraction form
    1,011,237.21/1,395,514.58 = 558,528.21/x
  3. Step 3: Cross multiply
    1,011,237.21x = 1,395,514.58 × 558,528.21
  4. Step 4: Simplify right side
    1,011,237.21x = 779,434,257,603.66
  5. Step 5: Solve for x
    x = 779,434,257,603.66/1,011,237.21
  6. Step 6: Final answer
    x = 770,772.92

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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.