Home / 1,235,815.60-1,853,723.40-525,866.80

Finding the Fourth Proportional to 1,235,815.60, 1,853,723.40 and 525,866.80

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Solution

The fourth proportional to 1,235,815.60, 1,853,723.40 and 525,866.80 is: 788,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,815.60 : 1,853,723.40 = 525,866.80 : x
  2. Step 2: Convert to fraction form
    1,235,815.60/1,853,723.40 = 525,866.80/x
  3. Step 3: Cross multiply
    1,235,815.60x = 1,853,723.40 × 525,866.80
  4. Step 4: Simplify right side
    1,235,815.60x = 974,811,592,443.12
  5. Step 5: Solve for x
    x = 974,811,592,443.12/1,235,815.60
  6. Step 6: Final answer
    x = 788,800.20

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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.