Home / 819,116.28-1,130,386.02-456,563.46

Finding the Fourth Proportional to 819,116.28, 1,130,386.02 and 456,563.46

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Solution

The fourth proportional to 819,116.28, 1,130,386.02 and 456,563.46 is: 630,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,116.28 : 1,130,386.02 = 456,563.46 : x
  2. Step 2: Convert to fraction form
    819,116.28/1,130,386.02 = 456,563.46/x
  3. Step 3: Cross multiply
    819,116.28x = 1,130,386.02 × 456,563.46
  4. Step 4: Simplify right side
    819,116.28x = 516,092,952,426.83
  5. Step 5: Solve for x
    x = 516,092,952,426.83/819,116.28
  6. Step 6: Final answer
    x = 630,060.67

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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.