Home / 612,440.04-845,188.91-340,585.01

Finding the Fourth Proportional to 612,440.04, 845,188.91 and 340,585.01

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Solution

The fourth proportional to 612,440.04, 845,188.91 and 340,585.01 is: 470,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,440.04 : 845,188.91 = 340,585.01 : x
  2. Step 2: Convert to fraction form
    612,440.04/845,188.91 = 340,585.01/x
  3. Step 3: Cross multiply
    612,440.04x = 845,188.91 × 340,585.01
  4. Step 4: Simplify right side
    612,440.04x = 287,858,673,364.24
  5. Step 5: Solve for x
    x = 287,858,673,364.24/612,440.04
  6. Step 6: Final answer
    x = 470,019.36

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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.