Home / 1,698,587.36-2,547,882.96-436,425.44

Finding the Fourth Proportional to 1,698,587.36, 2,547,882.96 and 436,425.44

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Solution

The fourth proportional to 1,698,587.36, 2,547,882.96 and 436,425.44 is: 654,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,587.36 : 2,547,882.96 = 436,425.44 : x
  2. Step 2: Convert to fraction form
    1,698,587.36/2,547,882.96 = 436,425.44/x
  3. Step 3: Cross multiply
    1,698,587.36x = 2,547,882.96 × 436,425.44
  4. Step 4: Simplify right side
    1,698,587.36x = 1,111,960,941,886.50
  5. Step 5: Solve for x
    x = 1,111,960,941,886.50/1,698,587.36
  6. Step 6: Final answer
    x = 654,638.65

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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.