Home / 913,905.40-1,368,233.70-559,611.40

Finding the Fourth Proportional to 913,905.40, 1,368,233.70 and 559,611.40

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Solution

The fourth proportional to 913,905.40, 1,368,233.70 and 559,611.40 is: 837,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,905.40 : 1,368,233.70 = 559,611.40 : x
  2. Step 2: Convert to fraction form
    913,905.40/1,368,233.70 = 559,611.40/x
  3. Step 3: Cross multiply
    913,905.40x = 1,368,233.70 × 559,611.40
  4. Step 4: Simplify right side
    913,905.40x = 765,679,176,384.18
  5. Step 5: Solve for x
    x = 765,679,176,384.18/913,905.40
  6. Step 6: Final answer
    x = 837,810.10

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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.