Home / 929,039.60-1,386,123.58-828,000.20

Finding the Fourth Proportional to 929,039.60, 1,386,123.58 and 828,000.20

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Solution

The fourth proportional to 929,039.60, 1,386,123.58 and 828,000.20 is: 1,235,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,039.60 : 1,386,123.58 = 828,000.20 : x
  2. Step 2: Convert to fraction form
    929,039.60/1,386,123.58 = 828,000.20/x
  3. Step 3: Cross multiply
    929,039.60x = 1,386,123.58 × 828,000.20
  4. Step 4: Simplify right side
    929,039.60x = 1,147,710,601,464.72
  5. Step 5: Solve for x
    x = 1,147,710,601,464.72/929,039.60
  6. Step 6: Final answer
    x = 1,235,373.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.