Home / 530,047.20-793,904.40-470,949.60

Finding the Fourth Proportional to 530,047.20, 793,904.40 and 470,949.60

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Solution

The fourth proportional to 530,047.20, 793,904.40 and 470,949.60 is: 705,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,047.20 : 793,904.40 = 470,949.60 : x
  2. Step 2: Convert to fraction form
    530,047.20/793,904.40 = 470,949.60/x
  3. Step 3: Cross multiply
    530,047.20x = 793,904.40 × 470,949.60
  4. Step 4: Simplify right side
    530,047.20x = 373,888,959,618.24
  5. Step 5: Solve for x
    x = 373,888,959,618.24/530,047.20
  6. Step 6: Final answer
    x = 705,388.05

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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.