Home / 1,698,645.39-2,547,968.08-619,238.89

Finding the Fourth Proportional to 1,698,645.39, 2,547,968.08 and 619,238.89

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Solution

The fourth proportional to 1,698,645.39, 2,547,968.08 and 619,238.89 is: 928,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,645.39 : 2,547,968.08 = 619,238.89 : x
  2. Step 2: Convert to fraction form
    1,698,645.39/2,547,968.08 = 619,238.89/x
  3. Step 3: Cross multiply
    1,698,645.39x = 2,547,968.08 × 619,238.89
  4. Step 4: Simplify right side
    1,698,645.39x = 1,577,800,925,614.63
  5. Step 5: Solve for x
    x = 1,577,800,925,614.63/1,698,645.39
  6. Step 6: Final answer
    x = 928,858.33

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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.