Home / 914,357.05-1,262,429.28-570,716.46

Finding the Fourth Proportional to 914,357.05, 1,262,429.28 and 570,716.46

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Solution

The fourth proportional to 914,357.05, 1,262,429.28 and 570,716.46 is: 787,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,357.05 : 1,262,429.28 = 570,716.46 : x
  2. Step 2: Convert to fraction form
    914,357.05/1,262,429.28 = 570,716.46/x
  3. Step 3: Cross multiply
    914,357.05x = 1,262,429.28 × 570,716.46
  4. Step 4: Simplify right side
    914,357.05x = 720,489,169,681.95
  5. Step 5: Solve for x
    x = 720,489,169,681.95/914,357.05
  6. Step 6: Final answer
    x = 787,973.55

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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.