Home / 1,017,111-1,525,885.20-343,209

Finding the Fourth Proportional to 1,017,111, 1,525,885.20 and 343,209

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Solution

The fourth proportional to 1,017,111, 1,525,885.20 and 343,209 is: 514,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,111 : 1,525,885.20 = 343,209 : x
  2. Step 2: Convert to fraction form
    1,017,111/1,525,885.20 = 343,209/x
  3. Step 3: Cross multiply
    1,017,111x = 1,525,885.20 × 343,209
  4. Step 4: Simplify right side
    1,017,111x = 523,697,533,606.80
  5. Step 5: Solve for x
    x = 523,697,533,606.80/1,017,111
  6. Step 6: Final answer
    x = 514,887.30

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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.