Home / 898,337.90-1,347,506.85-809,764.40

Finding the Fourth Proportional to 898,337.90, 1,347,506.85 and 809,764.40

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Solution

The fourth proportional to 898,337.90, 1,347,506.85 and 809,764.40 is: 1,214,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,337.90 : 1,347,506.85 = 809,764.40 : x
  2. Step 2: Convert to fraction form
    898,337.90/1,347,506.85 = 809,764.40/x
  3. Step 3: Cross multiply
    898,337.90x = 1,347,506.85 × 809,764.40
  4. Step 4: Simplify right side
    898,337.90x = 1,091,163,075,886.14
  5. Step 5: Solve for x
    x = 1,091,163,075,886.14/898,337.90
  6. Step 6: Final answer
    x = 1,214,646.60

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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.