Home / 714,790.70-1,069,506.16-425,544.36

Finding the Fourth Proportional to 714,790.70, 1,069,506.16 and 425,544.36

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Solution

The fourth proportional to 714,790.70, 1,069,506.16 and 425,544.36 is: 636,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,790.70 : 1,069,506.16 = 425,544.36 : x
  2. Step 2: Convert to fraction form
    714,790.70/1,069,506.16 = 425,544.36/x
  3. Step 3: Cross multiply
    714,790.70x = 1,069,506.16 × 425,544.36
  4. Step 4: Simplify right side
    714,790.70x = 455,122,314,373.26
  5. Step 5: Solve for x
    x = 455,122,314,373.26/714,790.70
  6. Step 6: Final answer
    x = 636,721.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.