Home / 988,785.63-1,364,023.40-625,597.83

Finding the Fourth Proportional to 988,785.63, 1,364,023.40 and 625,597.83

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Solution

The fourth proportional to 988,785.63, 1,364,023.40 and 625,597.83 is: 863,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,785.63 : 1,364,023.40 = 625,597.83 : x
  2. Step 2: Convert to fraction form
    988,785.63/1,364,023.40 = 625,597.83/x
  3. Step 3: Cross multiply
    988,785.63x = 1,364,023.40 × 625,597.83
  4. Step 4: Simplify right side
    988,785.63x = 853,330,075,981.23
  5. Step 5: Solve for x
    x = 853,330,075,981.23/988,785.63
  6. Step 6: Final answer
    x = 863,008.17

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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.