Home / 1,005,236.80-1,506,688.80-405,901.60

Finding the Fourth Proportional to 1,005,236.80, 1,506,688.80 and 405,901.60

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Solution

The fourth proportional to 1,005,236.80, 1,506,688.80 and 405,901.60 is: 608,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,236.80 : 1,506,688.80 = 405,901.60 : x
  2. Step 2: Convert to fraction form
    1,005,236.80/1,506,688.80 = 405,901.60/x
  3. Step 3: Cross multiply
    1,005,236.80x = 1,506,688.80 × 405,901.60
  4. Step 4: Simplify right side
    1,005,236.80x = 611,567,394,622.08
  5. Step 5: Solve for x
    x = 611,567,394,622.08/1,005,236.80
  6. Step 6: Final answer
    x = 608,381.42

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1.5x scale

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.