Home / 1,130,306.64-1,559,744.52-621,030.48

Finding the Fourth Proportional to 1,130,306.64, 1,559,744.52 and 621,030.48

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Solution

The fourth proportional to 1,130,306.64, 1,559,744.52 and 621,030.48 is: 856,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,306.64 : 1,559,744.52 = 621,030.48 : x
  2. Step 2: Convert to fraction form
    1,130,306.64/1,559,744.52 = 621,030.48/x
  3. Step 3: Cross multiply
    1,130,306.64x = 1,559,744.52 × 621,030.48
  4. Step 4: Simplify right side
    1,130,306.64x = 968,648,887,932.97
  5. Step 5: Solve for x
    x = 968,648,887,932.97/1,130,306.64
  6. Step 6: Final answer
    x = 856,978.85

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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.