Home / 781,665.30-1,172,497.95-604,518.30

Finding the Fourth Proportional to 781,665.30, 1,172,497.95 and 604,518.30

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Solution

The fourth proportional to 781,665.30, 1,172,497.95 and 604,518.30 is: 906,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,665.30 : 1,172,497.95 = 604,518.30 : x
  2. Step 2: Convert to fraction form
    781,665.30/1,172,497.95 = 604,518.30/x
  3. Step 3: Cross multiply
    781,665.30x = 1,172,497.95 × 604,518.30
  4. Step 4: Simplify right side
    781,665.30x = 708,796,467,487.49
  5. Step 5: Solve for x
    x = 708,796,467,487.49/781,665.30
  6. Step 6: Final answer
    x = 906,777.45

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Double scale
Find fourth proportional to 781,666.30, 1,172,499.45 and 604,519.30
Similar ratio
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1.5x scale

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.