Home / 819,112.95-1,130,381.13-456,559.83

Finding the Fourth Proportional to 819,112.95, 1,130,381.13 and 456,559.83

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Solution

The fourth proportional to 819,112.95, 1,130,381.13 and 456,559.83 is: 630,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,112.95 : 1,130,381.13 = 456,559.83 : x
  2. Step 2: Convert to fraction form
    819,112.95/1,130,381.13 = 456,559.83/x
  3. Step 3: Cross multiply
    819,112.95x = 1,130,381.13 × 456,559.83
  4. Step 4: Simplify right side
    819,112.95x = 516,086,616,548.01
  5. Step 5: Solve for x
    x = 516,086,616,548.01/819,112.95
  6. Step 6: Final answer
    x = 630,055.50

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1.5x scale

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.