Home / 558,151.20-837,226.80-553,485.60

Finding the Fourth Proportional to 558,151.20, 837,226.80 and 553,485.60

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Solution

The fourth proportional to 558,151.20, 837,226.80 and 553,485.60 is: 830,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,151.20 : 837,226.80 = 553,485.60 : x
  2. Step 2: Convert to fraction form
    558,151.20/837,226.80 = 553,485.60/x
  3. Step 3: Cross multiply
    558,151.20x = 837,226.80 × 553,485.60
  4. Step 4: Simplify right side
    558,151.20x = 463,392,977,734.08
  5. Step 5: Solve for x
    x = 463,392,977,734.08/558,151.20
  6. Step 6: Final answer
    x = 830,228.40

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Half scale
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Double scale
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Similar ratio
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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.