Home / 916,484.28-1,374,290.10-376,656.18

Finding the Fourth Proportional to 916,484.28, 1,374,290.10 and 376,656.18

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Solution

The fourth proportional to 916,484.28, 1,374,290.10 and 376,656.18 is: 564,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,484.28 : 1,374,290.10 = 376,656.18 : x
  2. Step 2: Convert to fraction form
    916,484.28/1,374,290.10 = 376,656.18/x
  3. Step 3: Cross multiply
    916,484.28x = 1,374,290.10 × 376,656.18
  4. Step 4: Simplify right side
    916,484.28x = 517,634,859,277.82
  5. Step 5: Solve for x
    x = 517,634,859,277.82/916,484.28
  6. Step 6: Final answer
    x = 564,804.95

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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.