Home / 619,230.08-854,547.28-347,358.40

Finding the Fourth Proportional to 619,230.08, 854,547.28 and 347,358.40

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Solution

The fourth proportional to 619,230.08, 854,547.28 and 347,358.40 is: 479,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,230.08 : 854,547.28 = 347,358.40 : x
  2. Step 2: Convert to fraction form
    619,230.08/854,547.28 = 347,358.40/x
  3. Step 3: Cross multiply
    619,230.08x = 854,547.28 × 347,358.40
  4. Step 4: Simplify right side
    619,230.08x = 296,834,175,905.15
  5. Step 5: Solve for x
    x = 296,834,175,905.15/619,230.08
  6. Step 6: Final answer
    x = 479,360.07

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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.