Home / 1,665,207.43-2,298,041.98-1,020,503.12

Finding the Fourth Proportional to 1,665,207.43, 2,298,041.98 and 1,020,503.12

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Solution

The fourth proportional to 1,665,207.43, 2,298,041.98 and 1,020,503.12 is: 1,408,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,207.43 : 2,298,041.98 = 1,020,503.12 : x
  2. Step 2: Convert to fraction form
    1,665,207.43/2,298,041.98 = 1,020,503.12/x
  3. Step 3: Cross multiply
    1,665,207.43x = 2,298,041.98 × 1,020,503.12
  4. Step 4: Simplify right side
    1,665,207.43x = 2,345,158,996,439.51
  5. Step 5: Solve for x
    x = 2,345,158,996,439.51/1,665,207.43
  6. Step 6: Final answer
    x = 1,408,328.45

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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.