Home / 530,185.20-795,277.80-472,124.40

Finding the Fourth Proportional to 530,185.20, 795,277.80 and 472,124.40

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Solution

The fourth proportional to 530,185.20, 795,277.80 and 472,124.40 is: 708,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,185.20 : 795,277.80 = 472,124.40 : x
  2. Step 2: Convert to fraction form
    530,185.20/795,277.80 = 472,124.40/x
  3. Step 3: Cross multiply
    530,185.20x = 795,277.80 × 472,124.40
  4. Step 4: Simplify right side
    530,185.20x = 375,470,054,158.32
  5. Step 5: Solve for x
    x = 375,470,054,158.32/530,185.20
  6. Step 6: Final answer
    x = 708,186.60

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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.