Home / 819,153.68-1,130,437.23-456,600.47

Finding the Fourth Proportional to 819,153.68, 1,130,437.23 and 456,600.47

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Solution

The fourth proportional to 819,153.68, 1,130,437.23 and 456,600.47 is: 630,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,153.68 : 1,130,437.23 = 456,600.47 : x
  2. Step 2: Convert to fraction form
    819,153.68/1,130,437.23 = 456,600.47/x
  3. Step 3: Cross multiply
    819,153.68x = 1,130,437.23 × 456,600.47
  4. Step 4: Simplify right side
    819,153.68x = 516,158,170,523.50
  5. Step 5: Solve for x
    x = 516,158,170,523.50/819,153.68
  6. Step 6: Final answer
    x = 630,111.52

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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.