Home / 983,290.08-1,356,936.39-553,571.04

Finding the Fourth Proportional to 983,290.08, 1,356,936.39 and 553,571.04

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Solution

The fourth proportional to 983,290.08, 1,356,936.39 and 553,571.04 is: 763,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,290.08 : 1,356,936.39 = 553,571.04 : x
  2. Step 2: Convert to fraction form
    983,290.08/1,356,936.39 = 553,571.04/x
  3. Step 3: Cross multiply
    983,290.08x = 1,356,936.39 × 553,571.04
  4. Step 4: Simplify right side
    983,290.08x = 751,160,688,626.15
  5. Step 5: Solve for x
    x = 751,160,688,626.15/983,290.08
  6. Step 6: Final answer
    x = 763,925.83

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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.