Home / 530,003.20-793,838.40-470,905.60

Finding the Fourth Proportional to 530,003.20, 793,838.40 and 470,905.60

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Solution

The fourth proportional to 530,003.20, 793,838.40 and 470,905.60 is: 705,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,003.20 : 793,838.40 = 470,905.60 : x
  2. Step 2: Convert to fraction form
    530,003.20/793,838.40 = 470,905.60/x
  3. Step 3: Cross multiply
    530,003.20x = 793,838.40 × 470,905.60
  4. Step 4: Simplify right side
    530,003.20x = 373,822,948,055.04
  5. Step 5: Solve for x
    x = 373,822,948,055.04/530,003.20
  6. Step 6: Final answer
    x = 705,322.06

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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.