Home / 919,547.64-1,268,785.62-537,500.52

Finding the Fourth Proportional to 919,547.64, 1,268,785.62 and 537,500.52

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Solution

The fourth proportional to 919,547.64, 1,268,785.62 and 537,500.52 is: 741,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,547.64 : 1,268,785.62 = 537,500.52 : x
  2. Step 2: Convert to fraction form
    919,547.64/1,268,785.62 = 537,500.52/x
  3. Step 3: Cross multiply
    919,547.64x = 1,268,785.62 × 537,500.52
  4. Step 4: Simplify right side
    919,547.64x = 681,972,930,518.52
  5. Step 5: Solve for x
    x = 681,972,930,518.52/919,547.64
  6. Step 6: Final answer
    x = 741,639.59

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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.