Home / 570,281.45-786,934.85-340,793.06

Finding the Fourth Proportional to 570,281.45, 786,934.85 and 340,793.06

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Solution

The fourth proportional to 570,281.45, 786,934.85 and 340,793.06 is: 470,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,281.45 : 786,934.85 = 340,793.06 : x
  2. Step 2: Convert to fraction form
    570,281.45/786,934.85 = 340,793.06/x
  3. Step 3: Cross multiply
    570,281.45x = 786,934.85 × 340,793.06
  4. Step 4: Simplify right side
    570,281.45x = 268,181,929,913.50
  5. Step 5: Solve for x
    x = 268,181,929,913.50/570,281.45
  6. Step 6: Final answer
    x = 470,262.42

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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.