Home / 705,810.08-974,015.79-383,521.16

Finding the Fourth Proportional to 705,810.08, 974,015.79 and 383,521.16

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Solution

The fourth proportional to 705,810.08, 974,015.79 and 383,521.16 is: 529,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,810.08 : 974,015.79 = 383,521.16 : x
  2. Step 2: Convert to fraction form
    705,810.08/974,015.79 = 383,521.16/x
  3. Step 3: Cross multiply
    705,810.08x = 974,015.79 × 383,521.16
  4. Step 4: Simplify right side
    705,810.08x = 373,555,665,639.12
  5. Step 5: Solve for x
    x = 373,555,665,639.12/705,810.08
  6. Step 6: Final answer
    x = 529,258.05

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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.