Home / 528,037.20-792,055.80-469,976.40

Finding the Fourth Proportional to 528,037.20, 792,055.80 and 469,976.40

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Solution

The fourth proportional to 528,037.20, 792,055.80 and 469,976.40 is: 704,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,037.20 : 792,055.80 = 469,976.40 : x
  2. Step 2: Convert to fraction form
    528,037.20/792,055.80 = 469,976.40/x
  3. Step 3: Cross multiply
    528,037.20x = 792,055.80 × 469,976.40
  4. Step 4: Simplify right side
    528,037.20x = 372,247,533,483.12
  5. Step 5: Solve for x
    x = 372,247,533,483.12/528,037.20
  6. Step 6: Final answer
    x = 704,964.60

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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.