Home / 1,015,534.24-1,401,454.40-556,639.68

Finding the Fourth Proportional to 1,015,534.24, 1,401,454.40 and 556,639.68

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Solution

The fourth proportional to 1,015,534.24, 1,401,454.40 and 556,639.68 is: 768,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,534.24 : 1,401,454.40 = 556,639.68 : x
  2. Step 2: Convert to fraction form
    1,015,534.24/1,401,454.40 = 556,639.68/x
  3. Step 3: Cross multiply
    1,015,534.24x = 1,401,454.40 × 556,639.68
  4. Step 4: Simplify right side
    1,015,534.24x = 780,105,128,750.59
  5. Step 5: Solve for x
    x = 780,105,128,750.59/1,015,534.24
  6. Step 6: Final answer
    x = 768,172.16

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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.