Home / 1,163,407.80-1,745,111.70-1,155,113.40

Finding the Fourth Proportional to 1,163,407.80, 1,745,111.70 and 1,155,113.40

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Solution

The fourth proportional to 1,163,407.80, 1,745,111.70 and 1,155,113.40 is: 1,732,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,407.80 : 1,745,111.70 = 1,155,113.40 : x
  2. Step 2: Convert to fraction form
    1,163,407.80/1,745,111.70 = 1,155,113.40/x
  3. Step 3: Cross multiply
    1,163,407.80x = 1,745,111.70 × 1,155,113.40
  4. Step 4: Simplify right side
    1,163,407.80x = 2,015,801,909,166.78
  5. Step 5: Solve for x
    x = 2,015,801,909,166.78/1,163,407.80
  6. Step 6: Final answer
    x = 1,732,670.10

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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.