Home / 1,271,666.72-1,754,894.76-698,705.12

Finding the Fourth Proportional to 1,271,666.72, 1,754,894.76 and 698,705.12

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Solution

The fourth proportional to 1,271,666.72, 1,754,894.76 and 698,705.12 is: 964,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,666.72 : 1,754,894.76 = 698,705.12 : x
  2. Step 2: Convert to fraction form
    1,271,666.72/1,754,894.76 = 698,705.12/x
  3. Step 3: Cross multiply
    1,271,666.72x = 1,754,894.76 × 698,705.12
  4. Step 4: Simplify right side
    1,271,666.72x = 1,226,153,953,873.17
  5. Step 5: Solve for x
    x = 1,226,153,953,873.17/1,271,666.72
  6. Step 6: Final answer
    x = 964,210.15

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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.