Home / 1,235,716.30-1,853,574.45-437,898.70

Finding the Fourth Proportional to 1,235,716.30, 1,853,574.45 and 437,898.70

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Solution

The fourth proportional to 1,235,716.30, 1,853,574.45 and 437,898.70 is: 656,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,716.30 : 1,853,574.45 = 437,898.70 : x
  2. Step 2: Convert to fraction form
    1,235,716.30/1,853,574.45 = 437,898.70/x
  3. Step 3: Cross multiply
    1,235,716.30x = 1,853,574.45 × 437,898.70
  4. Step 4: Simplify right side
    1,235,716.30x = 811,677,842,008.22
  5. Step 5: Solve for x
    x = 811,677,842,008.22/1,235,716.30
  6. Step 6: Final answer
    x = 656,848.05

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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.