Home / 465,332.04-642,155.90-261,386.10

Finding the Fourth Proportional to 465,332.04, 642,155.90 and 261,386.10

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Solution

The fourth proportional to 465,332.04, 642,155.90 and 261,386.10 is: 360,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,332.04 : 642,155.90 = 261,386.10 : x
  2. Step 2: Convert to fraction form
    465,332.04/642,155.90 = 261,386.10/x
  3. Step 3: Cross multiply
    465,332.04x = 642,155.90 × 261,386.10
  4. Step 4: Simplify right side
    465,332.04x = 167,850,624,986.06
  5. Step 5: Solve for x
    x = 167,850,624,986.06/465,332.04
  6. Step 6: Final answer
    x = 360,711.51

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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.