Home / 961,509.41-1,326,800.31-531,681.90

Finding the Fourth Proportional to 961,509.41, 1,326,800.31 and 531,681.90

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Solution

The fourth proportional to 961,509.41, 1,326,800.31 and 531,681.90 is: 733,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,509.41 : 1,326,800.31 = 531,681.90 : x
  2. Step 2: Convert to fraction form
    961,509.41/1,326,800.31 = 531,681.90/x
  3. Step 3: Cross multiply
    961,509.41x = 1,326,800.31 × 531,681.90
  4. Step 4: Simplify right side
    961,509.41x = 705,435,709,741.39
  5. Step 5: Solve for x
    x = 705,435,709,741.39/961,509.41
  6. Step 6: Final answer
    x = 733,675.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.