Home / 1,911,624.80-2,867,566.80-649,547.60

Finding the Fourth Proportional to 1,911,624.80, 2,867,566.80 and 649,547.60

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Solution

The fourth proportional to 1,911,624.80, 2,867,566.80 and 649,547.60 is: 974,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,624.80 : 2,867,566.80 = 649,547.60 : x
  2. Step 2: Convert to fraction form
    1,911,624.80/2,867,566.80 = 649,547.60/x
  3. Step 3: Cross multiply
    1,911,624.80x = 2,867,566.80 × 649,547.60
  4. Step 4: Simplify right side
    1,911,624.80x = 1,862,621,132,779.68
  5. Step 5: Solve for x
    x = 1,862,621,132,779.68/1,911,624.80
  6. Step 6: Final answer
    x = 974,365.44

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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.