Home / 1,685,444.64-2,528,419.32-620,405.52

Finding the Fourth Proportional to 1,685,444.64, 2,528,419.32 and 620,405.52

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Solution

The fourth proportional to 1,685,444.64, 2,528,419.32 and 620,405.52 is: 930,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,444.64 : 2,528,419.32 = 620,405.52 : x
  2. Step 2: Convert to fraction form
    1,685,444.64/2,528,419.32 = 620,405.52/x
  3. Step 3: Cross multiply
    1,685,444.64x = 2,528,419.32 × 620,405.52
  4. Step 4: Simplify right side
    1,685,444.64x = 1,568,645,303,002.65
  5. Step 5: Solve for x
    x = 1,568,645,303,002.65/1,685,444.64
  6. Step 6: Final answer
    x = 930,701.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.