Home / 1,235,863.80-1,853,795.70-525,713.40

Finding the Fourth Proportional to 1,235,863.80, 1,853,795.70 and 525,713.40

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Solution

The fourth proportional to 1,235,863.80, 1,853,795.70 and 525,713.40 is: 788,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,863.80 : 1,853,795.70 = 525,713.40 : x
  2. Step 2: Convert to fraction form
    1,235,863.80/1,853,795.70 = 525,713.40/x
  3. Step 3: Cross multiply
    1,235,863.80x = 1,853,795.70 × 525,713.40
  4. Step 4: Simplify right side
    1,235,863.80x = 974,565,240,352.38
  5. Step 5: Solve for x
    x = 974,565,240,352.38/1,235,863.80
  6. Step 6: Final answer
    x = 788,570.10

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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.