Home / 1,385,110.10-1,911,127.29-841,230.74

Finding the Fourth Proportional to 1,385,110.10, 1,911,127.29 and 841,230.74

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Solution

The fourth proportional to 1,385,110.10, 1,911,127.29 and 841,230.74 is: 1,160,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,110.10 : 1,911,127.29 = 841,230.74 : x
  2. Step 2: Convert to fraction form
    1,385,110.10/1,911,127.29 = 841,230.74/x
  3. Step 3: Cross multiply
    1,385,110.10x = 1,911,127.29 × 841,230.74
  4. Step 4: Simplify right side
    1,385,110.10x = 1,607,699,024,400.89
  5. Step 5: Solve for x
    x = 1,607,699,024,400.89/1,385,110.10
  6. Step 6: Final answer
    x = 1,160,701.25

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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.