Home / 742,164.34-1,024,187.16-402,632.50

Finding the Fourth Proportional to 742,164.34, 1,024,187.16 and 402,632.50

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Solution

The fourth proportional to 742,164.34, 1,024,187.16 and 402,632.50 is: 555,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,164.34 : 1,024,187.16 = 402,632.50 : x
  2. Step 2: Convert to fraction form
    742,164.34/1,024,187.16 = 402,632.50/x
  3. Step 3: Cross multiply
    742,164.34x = 1,024,187.16 × 402,632.50
  4. Step 4: Simplify right side
    742,164.34x = 412,371,036,698.70
  5. Step 5: Solve for x
    x = 412,371,036,698.70/742,164.34
  6. Step 6: Final answer
    x = 555,633.05

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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.