Home / 742,196.24-1,024,226.53-402,657.20

Finding the Fourth Proportional to 742,196.24, 1,024,226.53 and 402,657.20

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Solution

The fourth proportional to 742,196.24, 1,024,226.53 and 402,657.20 is: 555,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,196.24 : 1,024,226.53 = 402,657.20 : x
  2. Step 2: Convert to fraction form
    742,196.24/1,024,226.53 = 402,657.20/x
  3. Step 3: Cross multiply
    742,196.24x = 1,024,226.53 × 402,657.20
  4. Step 4: Simplify right side
    742,196.24x = 412,412,180,607.74
  5. Step 5: Solve for x
    x = 412,412,180,607.74/742,196.24
  6. Step 6: Final answer
    x = 555,664.61

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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.