Home / 1,312,807.61-1,969,561.47-471,366.65

Finding the Fourth Proportional to 1,312,807.61, 1,969,561.47 and 471,366.65

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Solution

The fourth proportional to 1,312,807.61, 1,969,561.47 and 471,366.65 is: 707,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,807.61 : 1,969,561.47 = 471,366.65 : x
  2. Step 2: Convert to fraction form
    1,312,807.61/1,969,561.47 = 471,366.65/x
  3. Step 3: Cross multiply
    1,312,807.61x = 1,969,561.47 × 471,366.65
  4. Step 4: Simplify right side
    1,312,807.61x = 928,385,592,082.98
  5. Step 5: Solve for x
    x = 928,385,592,082.98/1,312,807.61
  6. Step 6: Final answer
    x = 707,175.66

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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.