Home / 1,235,815.80-1,853,723.70-525,607.80

Finding the Fourth Proportional to 1,235,815.80, 1,853,723.70 and 525,607.80

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Solution

The fourth proportional to 1,235,815.80, 1,853,723.70 and 525,607.80 is: 788,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,815.80 : 1,853,723.70 = 525,607.80 : x
  2. Step 2: Convert to fraction form
    1,235,815.80/1,853,723.70 = 525,607.80/x
  3. Step 3: Cross multiply
    1,235,815.80x = 1,853,723.70 × 525,607.80
  4. Step 4: Simplify right side
    1,235,815.80x = 974,331,635,764.86
  5. Step 5: Solve for x
    x = 974,331,635,764.86/1,235,815.80
  6. Step 6: Final answer
    x = 788,411.70

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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.