Home / 1,660,784.77-2,291,931.56-972,392.22

Finding the Fourth Proportional to 1,660,784.77, 2,291,931.56 and 972,392.22

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Solution

The fourth proportional to 1,660,784.77, 2,291,931.56 and 972,392.22 is: 1,341,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,784.77 : 2,291,931.56 = 972,392.22 : x
  2. Step 2: Convert to fraction form
    1,660,784.77/2,291,931.56 = 972,392.22/x
  3. Step 3: Cross multiply
    1,660,784.77x = 2,291,931.56 × 972,392.22
  4. Step 4: Simplify right side
    1,660,784.77x = 2,228,656,417,716.46
  5. Step 5: Solve for x
    x = 2,228,656,417,716.46/1,660,784.77
  6. Step 6: Final answer
    x = 1,341,929.71

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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.