Home / 1,911,899.81-2,868,281.76-632,504.27

Finding the Fourth Proportional to 1,911,899.81, 2,868,281.76 and 632,504.27

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Solution

The fourth proportional to 1,911,899.81, 2,868,281.76 and 632,504.27 is: 948,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,899.81 : 2,868,281.76 = 632,504.27 : x
  2. Step 2: Convert to fraction form
    1,911,899.81/2,868,281.76 = 632,504.27/x
  3. Step 3: Cross multiply
    1,911,899.81x = 2,868,281.76 × 632,504.27
  4. Step 4: Simplify right side
    1,911,899.81x = 1,814,200,460,763.12
  5. Step 5: Solve for x
    x = 1,814,200,460,763.12/1,911,899.81
  6. Step 6: Final answer
    x = 948,899.34

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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.