Home / 966,774.69-1,334,186.90-661,491.36

Finding the Fourth Proportional to 966,774.69, 1,334,186.90 and 661,491.36

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Solution

The fourth proportional to 966,774.69, 1,334,186.90 and 661,491.36 is: 912,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,774.69 : 1,334,186.90 = 661,491.36 : x
  2. Step 2: Convert to fraction form
    966,774.69/1,334,186.90 = 661,491.36/x
  3. Step 3: Cross multiply
    966,774.69x = 1,334,186.90 × 661,491.36
  4. Step 4: Simplify right side
    966,774.69x = 882,553,106,975.18
  5. Step 5: Solve for x
    x = 882,553,106,975.18/966,774.69
  6. Step 6: Final answer
    x = 912,883.96

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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.