Home / 957,056.22-1,320,830.63-714,918.40

Finding the Fourth Proportional to 957,056.22, 1,320,830.63 and 714,918.40

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Solution

The fourth proportional to 957,056.22, 1,320,830.63 and 714,918.40 is: 986,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,056.22 : 1,320,830.63 = 714,918.40 : x
  2. Step 2: Convert to fraction form
    957,056.22/1,320,830.63 = 714,918.40/x
  3. Step 3: Cross multiply
    957,056.22x = 1,320,830.63 × 714,918.40
  4. Step 4: Simplify right side
    957,056.22x = 944,286,120,670.59
  5. Step 5: Solve for x
    x = 944,286,120,670.59/957,056.22
  6. Step 6: Final answer
    x = 986,656.90

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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.