Home / 917,603.44-1,266,328.28-509,736.24

Finding the Fourth Proportional to 917,603.44, 1,266,328.28 and 509,736.24

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Solution

The fourth proportional to 917,603.44, 1,266,328.28 and 509,736.24 is: 703,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,603.44 : 1,266,328.28 = 509,736.24 : x
  2. Step 2: Convert to fraction form
    917,603.44/1,266,328.28 = 509,736.24/x
  3. Step 3: Cross multiply
    917,603.44x = 1,266,328.28 × 509,736.24
  4. Step 4: Simplify right side
    917,603.44x = 645,493,417,327.21
  5. Step 5: Solve for x
    x = 645,493,417,327.21/917,603.44
  6. Step 6: Final answer
    x = 703,455.75

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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.