Home / 705,849.12-974,071.04-383,558.45

Finding the Fourth Proportional to 705,849.12, 974,071.04 and 383,558.45

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Solution

The fourth proportional to 705,849.12, 974,071.04 and 383,558.45 is: 529,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,849.12 : 974,071.04 = 383,558.45 : x
  2. Step 2: Convert to fraction form
    705,849.12/974,071.04 = 383,558.45/x
  3. Step 3: Cross multiply
    705,849.12x = 974,071.04 × 383,558.45
  4. Step 4: Simplify right side
    705,849.12x = 373,613,173,421.93
  5. Step 5: Solve for x
    x = 373,613,173,421.93/705,849.12
  6. Step 6: Final answer
    x = 529,310.25

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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.