Home / 934,852.80-1,290,361.12-553,012.32

Finding the Fourth Proportional to 934,852.80, 1,290,361.12 and 553,012.32

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Solution

The fourth proportional to 934,852.80, 1,290,361.12 and 553,012.32 is: 763,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,852.80 : 1,290,361.12 = 553,012.32 : x
  2. Step 2: Convert to fraction form
    934,852.80/1,290,361.12 = 553,012.32/x
  3. Step 3: Cross multiply
    934,852.80x = 1,290,361.12 × 553,012.32
  4. Step 4: Simplify right side
    934,852.80x = 713,585,596,609.00
  5. Step 5: Solve for x
    x = 713,585,596,609.00/934,852.80
  6. Step 6: Final answer
    x = 763,313.32

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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.