Home / 630,125.04-869,624.28-358,278.24

Finding the Fourth Proportional to 630,125.04, 869,624.28 and 358,278.24

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Solution

The fourth proportional to 630,125.04, 869,624.28 and 358,278.24 is: 494,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,125.04 : 869,624.28 = 358,278.24 : x
  2. Step 2: Convert to fraction form
    630,125.04/869,624.28 = 358,278.24/x
  3. Step 3: Cross multiply
    630,125.04x = 869,624.28 × 358,278.24
  4. Step 4: Simplify right side
    630,125.04x = 311,567,456,499.67
  5. Step 5: Solve for x
    x = 311,567,456,499.67/630,125.04
  6. Step 6: Final answer
    x = 494,453.38

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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.