Home / 1,686,054.30-2,528,206.65-620,547.90

Finding the Fourth Proportional to 1,686,054.30, 2,528,206.65 and 620,547.90

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Solution

The fourth proportional to 1,686,054.30, 2,528,206.65 and 620,547.90 is: 930,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,054.30 : 2,528,206.65 = 620,547.90 : x
  2. Step 2: Convert to fraction form
    1,686,054.30/2,528,206.65 = 620,547.90/x
  3. Step 3: Cross multiply
    1,686,054.30x = 2,528,206.65 × 620,547.90
  4. Step 4: Simplify right side
    1,686,054.30x = 1,568,873,327,423.54
  5. Step 5: Solve for x
    x = 1,568,873,327,423.54/1,686,054.30
  6. Step 6: Final answer
    x = 930,499.88

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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.