Home / 819,127.58-1,130,401.30-456,574.42

Finding the Fourth Proportional to 819,127.58, 1,130,401.30 and 456,574.42

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Solution

The fourth proportional to 819,127.58, 1,130,401.30 and 456,574.42 is: 630,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,127.58 : 1,130,401.30 = 456,574.42 : x
  2. Step 2: Convert to fraction form
    819,127.58/1,130,401.30 = 456,574.42/x
  3. Step 3: Cross multiply
    819,127.58x = 1,130,401.30 × 456,574.42
  4. Step 4: Simplify right side
    819,127.58x = 516,112,321,274.05
  5. Step 5: Solve for x
    x = 516,112,321,274.05/819,127.58
  6. Step 6: Final answer
    x = 630,075.63

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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.