Home / 917,500.23-1,376,250.35-286,468.11

Finding the Fourth Proportional to 917,500.23, 1,376,250.35 and 286,468.11

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Solution

The fourth proportional to 917,500.23, 1,376,250.35 and 286,468.11 is: 429,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,500.23 : 1,376,250.35 = 286,468.11 : x
  2. Step 2: Convert to fraction form
    917,500.23/1,376,250.35 = 286,468.11/x
  3. Step 3: Cross multiply
    917,500.23x = 1,376,250.35 × 286,468.11
  4. Step 4: Simplify right side
    917,500.23x = 394,251,835,219.00
  5. Step 5: Solve for x
    x = 394,251,835,219.00/917,500.23
  6. Step 6: Final answer
    x = 429,702.17

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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.