Home / 1,130,958-1,560,725.28-647,530.56

Finding the Fourth Proportional to 1,130,958, 1,560,725.28 and 647,530.56

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Solution

The fourth proportional to 1,130,958, 1,560,725.28 and 647,530.56 is: 893,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,958 : 1,560,725.28 = 647,530.56 : x
  2. Step 2: Convert to fraction form
    1,130,958/1,560,725.28 = 647,530.56/x
  3. Step 3: Cross multiply
    1,130,958x = 1,560,725.28 × 647,530.56
  4. Step 4: Simplify right side
    1,130,958x = 1,010,617,314,564.56
  5. Step 5: Solve for x
    x = 1,010,617,314,564.56/1,130,958
  6. Step 6: Final answer
    x = 893,594.03

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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.