Home / 917,667.44-1,266,345.86-509,794.93

Finding the Fourth Proportional to 917,667.44, 1,266,345.86 and 509,794.93

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Solution

The fourth proportional to 917,667.44, 1,266,345.86 and 509,794.93 is: 703,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,667.44 : 1,266,345.86 = 509,794.93 : x
  2. Step 2: Convert to fraction form
    917,667.44/1,266,345.86 = 509,794.93/x
  3. Step 3: Cross multiply
    917,667.44x = 1,266,345.86 × 509,794.93
  4. Step 4: Simplify right side
    917,667.44x = 645,576,699,054.49
  5. Step 5: Solve for x
    x = 645,576,699,054.49/917,667.44
  6. Step 6: Final answer
    x = 703,497.44

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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.