Home / 911,527.35-1,257,651.81-524,322.51

Finding the Fourth Proportional to 911,527.35, 1,257,651.81 and 524,322.51

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Solution

The fourth proportional to 911,527.35, 1,257,651.81 and 524,322.51 is: 723,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,527.35 : 1,257,651.81 = 524,322.51 : x
  2. Step 2: Convert to fraction form
    911,527.35/1,257,651.81 = 524,322.51/x
  3. Step 3: Cross multiply
    911,527.35x = 1,257,651.81 × 524,322.51
  4. Step 4: Simplify right side
    911,527.35x = 659,415,153,725.24
  5. Step 5: Solve for x
    x = 659,415,153,725.24/911,527.35
  6. Step 6: Final answer
    x = 723,417.85

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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.