Home / 1,616,639.79-2,230,931.86-891,554.52

Finding the Fourth Proportional to 1,616,639.79, 2,230,931.86 and 891,554.52

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Solution

The fourth proportional to 1,616,639.79, 2,230,931.86 and 891,554.52 is: 1,230,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,639.79 : 2,230,931.86 = 891,554.52 : x
  2. Step 2: Convert to fraction form
    1,616,639.79/2,230,931.86 = 891,554.52/x
  3. Step 3: Cross multiply
    1,616,639.79x = 2,230,931.86 × 891,554.52
  4. Step 4: Simplify right side
    1,616,639.79x = 1,988,997,382,203.83
  5. Step 5: Solve for x
    x = 1,988,997,382,203.83/1,616,639.79
  6. Step 6: Final answer
    x = 1,230,328.11

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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.