Home / 1,210,508.81-1,670,438.16-694,236

Finding the Fourth Proportional to 1,210,508.81, 1,670,438.16 and 694,236

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Solution

The fourth proportional to 1,210,508.81, 1,670,438.16 and 694,236 is: 958,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,508.81 : 1,670,438.16 = 694,236 : x
  2. Step 2: Convert to fraction form
    1,210,508.81/1,670,438.16 = 694,236/x
  3. Step 3: Cross multiply
    1,210,508.81x = 1,670,438.16 × 694,236
  4. Step 4: Simplify right side
    1,210,508.81x = 1,159,678,306,445.76
  5. Step 5: Solve for x
    x = 1,159,678,306,445.76/1,210,508.81
  6. Step 6: Final answer
    x = 958,008.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.