Home / 1,235,284.94-1,853,076.90-436,403

Finding the Fourth Proportional to 1,235,284.94, 1,853,076.90 and 436,403

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Solution

The fourth proportional to 1,235,284.94, 1,853,076.90 and 436,403 is: 654,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,284.94 : 1,853,076.90 = 436,403 : x
  2. Step 2: Convert to fraction form
    1,235,284.94/1,853,076.90 = 436,403/x
  3. Step 3: Cross multiply
    1,235,284.94x = 1,853,076.90 × 436,403
  4. Step 4: Simplify right side
    1,235,284.94x = 808,688,318,390.70
  5. Step 5: Solve for x
    x = 808,688,318,390.70/1,235,284.94
  6. Step 6: Final answer
    x = 654,657.31

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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.