Home / 607,531.20-911,296.80-556,355.40

Finding the Fourth Proportional to 607,531.20, 911,296.80 and 556,355.40

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Solution

The fourth proportional to 607,531.20, 911,296.80 and 556,355.40 is: 834,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,531.20 : 911,296.80 = 556,355.40 : x
  2. Step 2: Convert to fraction form
    607,531.20/911,296.80 = 556,355.40/x
  3. Step 3: Cross multiply
    607,531.20x = 911,296.80 × 556,355.40
  4. Step 4: Simplify right side
    607,531.20x = 507,004,895,682.72
  5. Step 5: Solve for x
    x = 507,004,895,682.72/607,531.20
  6. Step 6: Final answer
    x = 834,533.10

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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.