Home / 1,258,588.80-1,888,156.58-459,869.07

Finding the Fourth Proportional to 1,258,588.80, 1,888,156.58 and 459,869.07

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Solution

The fourth proportional to 1,258,588.80, 1,888,156.58 and 459,869.07 is: 689,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,588.80 : 1,888,156.58 = 459,869.07 : x
  2. Step 2: Convert to fraction form
    1,258,588.80/1,888,156.58 = 459,869.07/x
  3. Step 3: Cross multiply
    1,258,588.80x = 1,888,156.58 × 459,869.07
  4. Step 4: Simplify right side
    1,258,588.80x = 868,304,808,159.64
  5. Step 5: Solve for x
    x = 868,304,808,159.64/1,258,588.80
  6. Step 6: Final answer
    x = 689,903.49

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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.