Home / 742,290.15-1,113,435.23-636,001.95

Finding the Fourth Proportional to 742,290.15, 1,113,435.23 and 636,001.95

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Solution

The fourth proportional to 742,290.15, 1,113,435.23 and 636,001.95 is: 954,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,290.15 : 1,113,435.23 = 636,001.95 : x
  2. Step 2: Convert to fraction form
    742,290.15/1,113,435.23 = 636,001.95/x
  3. Step 3: Cross multiply
    742,290.15x = 1,113,435.23 × 636,001.95
  4. Step 4: Simplify right side
    742,290.15x = 708,146,974,298.69
  5. Step 5: Solve for x
    x = 708,146,974,298.69/742,290.15
  6. Step 6: Final answer
    x = 954,002.93

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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.