Home / 956,606.40-1,320,210.09-714,468.78

Finding the Fourth Proportional to 956,606.40, 1,320,210.09 and 714,468.78

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Solution

The fourth proportional to 956,606.40, 1,320,210.09 and 714,468.78 is: 986,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,606.40 : 1,320,210.09 = 714,468.78 : x
  2. Step 2: Convert to fraction form
    956,606.40/1,320,210.09 = 714,468.78/x
  3. Step 3: Cross multiply
    956,606.40x = 1,320,210.09 × 714,468.78
  4. Step 4: Simplify right side
    956,606.40x = 943,248,892,345.99
  5. Step 5: Solve for x
    x = 943,248,892,345.99/956,606.40
  6. Step 6: Final answer
    x = 986,036.57

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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.