Home / 939,264.18-1,296,186.98-509,544.27

Finding the Fourth Proportional to 939,264.18, 1,296,186.98 and 509,544.27

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Solution

The fourth proportional to 939,264.18, 1,296,186.98 and 509,544.27 is: 703,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,264.18 : 1,296,186.98 = 509,544.27 : x
  2. Step 2: Convert to fraction form
    939,264.18/1,296,186.98 = 509,544.27/x
  3. Step 3: Cross multiply
    939,264.18x = 1,296,186.98 × 509,544.27
  4. Step 4: Simplify right side
    939,264.18x = 660,464,650,259.16
  5. Step 5: Solve for x
    x = 660,464,650,259.16/939,264.18
  6. Step 6: Final answer
    x = 703,172.40

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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.