Home / 985,510.60-1,477,245.30-535,280.20

Finding the Fourth Proportional to 985,510.60, 1,477,245.30 and 535,280.20

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Solution

The fourth proportional to 985,510.60, 1,477,245.30 and 535,280.20 is: 802,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,510.60 : 1,477,245.30 = 535,280.20 : x
  2. Step 2: Convert to fraction form
    985,510.60/1,477,245.30 = 535,280.20/x
  3. Step 3: Cross multiply
    985,510.60x = 1,477,245.30 × 535,280.20
  4. Step 4: Simplify right side
    985,510.60x = 790,740,159,633.06
  5. Step 5: Solve for x
    x = 790,740,159,633.06/985,510.60
  6. Step 6: Final answer
    x = 802,365.96

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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.