Home / 705,880.12-974,111.52-383,584.36

Finding the Fourth Proportional to 705,880.12, 974,111.52 and 383,584.36

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Solution

The fourth proportional to 705,880.12, 974,111.52 and 383,584.36 is: 529,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,880.12 : 974,111.52 = 383,584.36 : x
  2. Step 2: Convert to fraction form
    705,880.12/974,111.52 = 383,584.36/x
  3. Step 3: Cross multiply
    705,880.12x = 974,111.52 × 383,584.36
  4. Step 4: Simplify right side
    705,880.12x = 373,653,943,967.83
  5. Step 5: Solve for x
    x = 373,653,943,967.83/705,880.12
  6. Step 6: Final answer
    x = 529,344.76

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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.