Home / 705,895.36-974,132.40-383,599.36

Finding the Fourth Proportional to 705,895.36, 974,132.40 and 383,599.36

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Solution

The fourth proportional to 705,895.36, 974,132.40 and 383,599.36 is: 529,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,895.36 : 974,132.40 = 383,599.36 : x
  2. Step 2: Convert to fraction form
    705,895.36/974,132.40 = 383,599.36/x
  3. Step 3: Cross multiply
    705,895.36x = 974,132.40 × 383,599.36
  4. Step 4: Simplify right side
    705,895.36x = 373,676,565,195.26
  5. Step 5: Solve for x
    x = 373,676,565,195.26/705,895.36
  6. Step 6: Final answer
    x = 529,365.38

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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.