Home / 1,015,342.22-1,401,172.52-556,475.01

Finding the Fourth Proportional to 1,015,342.22, 1,401,172.52 and 556,475.01

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Solution

The fourth proportional to 1,015,342.22, 1,401,172.52 and 556,475.01 is: 767,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,342.22 : 1,401,172.52 = 556,475.01 : x
  2. Step 2: Convert to fraction form
    1,015,342.22/1,401,172.52 = 556,475.01/x
  3. Step 3: Cross multiply
    1,015,342.22x = 1,401,172.52 × 556,475.01
  4. Step 4: Simplify right side
    1,015,342.22x = 779,717,489,296.35
  5. Step 5: Solve for x
    x = 779,717,489,296.35/1,015,342.22
  6. Step 6: Final answer
    x = 767,935.66

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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.