Home / 903,905.28-1,249,039.84-658,462.88

Finding the Fourth Proportional to 903,905.28, 1,249,039.84 and 658,462.88

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Solution

The fourth proportional to 903,905.28, 1,249,039.84 and 658,462.88 is: 909,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,905.28 : 1,249,039.84 = 658,462.88 : x
  2. Step 2: Convert to fraction form
    903,905.28/1,249,039.84 = 658,462.88/x
  3. Step 3: Cross multiply
    903,905.28x = 1,249,039.84 × 658,462.88
  4. Step 4: Simplify right side
    903,905.28x = 822,446,370,281.14
  5. Step 5: Solve for x
    x = 822,446,370,281.14/903,905.28
  6. Step 6: Final answer
    x = 909,881.14

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1.5x scale

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.