Home / 926,787.60-1,390,181.40-746,384.40

Finding the Fourth Proportional to 926,787.60, 1,390,181.40 and 746,384.40

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Solution

The fourth proportional to 926,787.60, 1,390,181.40 and 746,384.40 is: 1,119,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,787.60 : 1,390,181.40 = 746,384.40 : x
  2. Step 2: Convert to fraction form
    926,787.60/1,390,181.40 = 746,384.40/x
  3. Step 3: Cross multiply
    926,787.60x = 1,390,181.40 × 746,384.40
  4. Step 4: Simplify right side
    926,787.60x = 1,037,609,710,130.16
  5. Step 5: Solve for x
    x = 1,037,609,710,130.16/926,787.60
  6. Step 6: Final answer
    x = 1,119,576.60

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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.