Home / 1,257,412.51-1,886,119.40-415,964.26

Finding the Fourth Proportional to 1,257,412.51, 1,886,119.40 and 415,964.26

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Solution

The fourth proportional to 1,257,412.51, 1,886,119.40 and 415,964.26 is: 623,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,412.51 : 1,886,119.40 = 415,964.26 : x
  2. Step 2: Convert to fraction form
    1,257,412.51/1,886,119.40 = 415,964.26/x
  3. Step 3: Cross multiply
    1,257,412.51x = 1,886,119.40 × 415,964.26
  4. Step 4: Simplify right side
    1,257,412.51x = 784,558,260,492.64
  5. Step 5: Solve for x
    x = 784,558,260,492.64/1,257,412.51
  6. Step 6: Final answer
    x = 623,946.60

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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.