Home / 983,550.62-1,357,429.20-553,914.74

Finding the Fourth Proportional to 983,550.62, 1,357,429.20 and 553,914.74

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Solution

The fourth proportional to 983,550.62, 1,357,429.20 and 553,914.74 is: 764,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,550.62 : 1,357,429.20 = 553,914.74 : x
  2. Step 2: Convert to fraction form
    983,550.62/1,357,429.20 = 553,914.74/x
  3. Step 3: Cross multiply
    983,550.62x = 1,357,429.20 × 553,914.74
  4. Step 4: Simplify right side
    983,550.62x = 751,900,042,386.41
  5. Step 5: Solve for x
    x = 751,900,042,386.41/983,550.62
  6. Step 6: Final answer
    x = 764,475.19

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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.