Home / 862,597.28-1,190,368.40-480,615.84

Finding the Fourth Proportional to 862,597.28, 1,190,368.40 and 480,615.84

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Solution

The fourth proportional to 862,597.28, 1,190,368.40 and 480,615.84 is: 663,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,597.28 : 1,190,368.40 = 480,615.84 : x
  2. Step 2: Convert to fraction form
    862,597.28/1,190,368.40 = 480,615.84/x
  3. Step 3: Cross multiply
    862,597.28x = 1,190,368.40 × 480,615.84
  4. Step 4: Simplify right side
    862,597.28x = 572,109,908,475.46
  5. Step 5: Solve for x
    x = 572,109,908,475.46/862,597.28
  6. Step 6: Final answer
    x = 663,241.03

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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.