Home / 705,305.03-973,312.36-383,017.43

Finding the Fourth Proportional to 705,305.03, 973,312.36 and 383,017.43

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Solution

The fourth proportional to 705,305.03, 973,312.36 and 383,017.43 is: 528,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,305.03 : 973,312.36 = 383,017.43 : x
  2. Step 2: Convert to fraction form
    705,305.03/973,312.36 = 383,017.43/x
  3. Step 3: Cross multiply
    705,305.03x = 973,312.36 × 383,017.43
  4. Step 4: Simplify right side
    705,305.03x = 372,795,600,190.17
  5. Step 5: Solve for x
    x = 372,795,600,190.17/705,305.03
  6. Step 6: Final answer
    x = 528,559.40

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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.