Home / 651,977.93-900,166.39-407,335.10

Finding the Fourth Proportional to 651,977.93, 900,166.39 and 407,335.10

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Solution

The fourth proportional to 651,977.93, 900,166.39 and 407,335.10 is: 562,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,977.93 : 900,166.39 = 407,335.10 : x
  2. Step 2: Convert to fraction form
    651,977.93/900,166.39 = 407,335.10/x
  3. Step 3: Cross multiply
    651,977.93x = 900,166.39 × 407,335.10
  4. Step 4: Simplify right side
    651,977.93x = 366,669,360,968.12
  5. Step 5: Solve for x
    x = 366,669,360,968.12/651,977.93
  6. Step 6: Final answer
    x = 562,395.36

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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.