Home / 1,235,133.78-1,853,230.54-477,507.34

Finding the Fourth Proportional to 1,235,133.78, 1,853,230.54 and 477,507.34

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Solution

The fourth proportional to 1,235,133.78, 1,853,230.54 and 477,507.34 is: 716,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,133.78 : 1,853,230.54 = 477,507.34 : x
  2. Step 2: Convert to fraction form
    1,235,133.78/1,853,230.54 = 477,507.34/x
  3. Step 3: Cross multiply
    1,235,133.78x = 1,853,230.54 × 477,507.34
  4. Step 4: Simplify right side
    1,235,133.78x = 884,931,185,562.16
  5. Step 5: Solve for x
    x = 884,931,185,562.16/1,235,133.78
  6. Step 6: Final answer
    x = 716,465.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.