Home / 1,098,050.19-1,516,254.90-690,830.79

Finding the Fourth Proportional to 1,098,050.19, 1,516,254.90 and 690,830.79

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Solution

The fourth proportional to 1,098,050.19, 1,516,254.90 and 690,830.79 is: 953,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,050.19 : 1,516,254.90 = 690,830.79 : x
  2. Step 2: Convert to fraction form
    1,098,050.19/1,516,254.90 = 690,830.79/x
  3. Step 3: Cross multiply
    1,098,050.19x = 1,516,254.90 × 690,830.79
  4. Step 4: Simplify right side
    1,098,050.19x = 1,047,475,570,408.37
  5. Step 5: Solve for x
    x = 1,047,475,570,408.37/1,098,050.19
  6. Step 6: Final answer
    x = 953,941.43

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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.