Home / 458,161.30-686,075.55-437,166.10

Finding the Fourth Proportional to 458,161.30, 686,075.55 and 437,166.10

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Solution

The fourth proportional to 458,161.30, 686,075.55 and 437,166.10 is: 654,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,161.30 : 686,075.55 = 437,166.10 : x
  2. Step 2: Convert to fraction form
    458,161.30/686,075.55 = 437,166.10/x
  3. Step 3: Cross multiply
    458,161.30x = 686,075.55 × 437,166.10
  4. Step 4: Simplify right side
    458,161.30x = 299,928,972,498.86
  5. Step 5: Solve for x
    x = 299,928,972,498.86/458,161.30
  6. Step 6: Final answer
    x = 654,636.20

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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.