Home / 887,361.21-1,224,117.63-524,608.38

Finding the Fourth Proportional to 887,361.21, 1,224,117.63 and 524,608.38

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Solution

The fourth proportional to 887,361.21, 1,224,117.63 and 524,608.38 is: 723,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,361.21 : 1,224,117.63 = 524,608.38 : x
  2. Step 2: Convert to fraction form
    887,361.21/1,224,117.63 = 524,608.38/x
  3. Step 3: Cross multiply
    887,361.21x = 1,224,117.63 × 524,608.38
  4. Step 4: Simplify right side
    887,361.21x = 642,182,366,803.74
  5. Step 5: Solve for x
    x = 642,182,366,803.74/887,361.21
  6. Step 6: Final answer
    x = 723,698.94

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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.