Home / 705,926.18-974,184.28-383,636.24

Finding the Fourth Proportional to 705,926.18, 974,184.28 and 383,636.24

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Solution

The fourth proportional to 705,926.18, 974,184.28 and 383,636.24 is: 529,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,926.18 : 974,184.28 = 383,636.24 : x
  2. Step 2: Convert to fraction form
    705,926.18/974,184.28 = 383,636.24/x
  3. Step 3: Cross multiply
    705,926.18x = 974,184.28 × 383,636.24
  4. Step 4: Simplify right side
    705,926.18x = 373,732,394,246.31
  5. Step 5: Solve for x
    x = 373,732,394,246.31/705,926.18
  6. Step 6: Final answer
    x = 529,421.35

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Double scale
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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.