Home / 1,102,313.72-1,521,075.12-618,932

Finding the Fourth Proportional to 1,102,313.72, 1,521,075.12 and 618,932

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Solution

The fourth proportional to 1,102,313.72, 1,521,075.12 and 618,932 is: 854,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,313.72 : 1,521,075.12 = 618,932 : x
  2. Step 2: Convert to fraction form
    1,102,313.72/1,521,075.12 = 618,932/x
  3. Step 3: Cross multiply
    1,102,313.72x = 1,521,075.12 × 618,932
  4. Step 4: Simplify right side
    1,102,313.72x = 941,442,066,171.84
  5. Step 5: Solve for x
    x = 941,442,066,171.84/1,102,313.72
  6. Step 6: Final answer
    x = 854,060.01

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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.