Home / 405,004.10-607,506.15-155,686.10

Finding the Fourth Proportional to 405,004.10, 607,506.15 and 155,686.10

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Solution

The fourth proportional to 405,004.10, 607,506.15 and 155,686.10 is: 233,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,004.10 : 607,506.15 = 155,686.10 : x
  2. Step 2: Convert to fraction form
    405,004.10/607,506.15 = 155,686.10/x
  3. Step 3: Cross multiply
    405,004.10x = 607,506.15 × 155,686.10
  4. Step 4: Simplify right side
    405,004.10x = 94,580,263,219.52
  5. Step 5: Solve for x
    x = 94,580,263,219.52/405,004.10
  6. Step 6: Final answer
    x = 233,529.15

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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.