Home / 405,795.40-607,526.70-248,331.40

Finding the Fourth Proportional to 405,795.40, 607,526.70 and 248,331.40

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Solution

The fourth proportional to 405,795.40, 607,526.70 and 248,331.40 is: 371,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,795.40 : 607,526.70 = 248,331.40 : x
  2. Step 2: Convert to fraction form
    405,795.40/607,526.70 = 248,331.40/x
  3. Step 3: Cross multiply
    405,795.40x = 607,526.70 × 248,331.40
  4. Step 4: Simplify right side
    405,795.40x = 150,867,955,948.38
  5. Step 5: Solve for x
    x = 150,867,955,948.38/405,795.40
  6. Step 6: Final answer
    x = 371,783.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.