Home / 760,369.23-1,049,238.45-454,384.89

Finding the Fourth Proportional to 760,369.23, 1,049,238.45 and 454,384.89

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Solution

The fourth proportional to 760,369.23, 1,049,238.45 and 454,384.89 is: 627,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,369.23 : 1,049,238.45 = 454,384.89 : x
  2. Step 2: Convert to fraction form
    760,369.23/1,049,238.45 = 454,384.89/x
  3. Step 3: Cross multiply
    760,369.23x = 1,049,238.45 × 454,384.89
  4. Step 4: Simplify right side
    760,369.23x = 476,758,097,687.02
  5. Step 5: Solve for x
    x = 476,758,097,687.02/760,369.23
  6. Step 6: Final answer
    x = 627,008.67

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1.5x scale

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.