Home / 1,226,854.60-1,840,281.90-385,491.40

Finding the Fourth Proportional to 1,226,854.60, 1,840,281.90 and 385,491.40

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Solution

The fourth proportional to 1,226,854.60, 1,840,281.90 and 385,491.40 is: 578,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,854.60 : 1,840,281.90 = 385,491.40 : x
  2. Step 2: Convert to fraction form
    1,226,854.60/1,840,281.90 = 385,491.40/x
  3. Step 3: Cross multiply
    1,226,854.60x = 1,840,281.90 × 385,491.40
  4. Step 4: Simplify right side
    1,226,854.60x = 709,412,846,025.66
  5. Step 5: Solve for x
    x = 709,412,846,025.66/1,226,854.60
  6. Step 6: Final answer
    x = 578,237.10

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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.