Home / 916,541.40-1,376,043.30-537,850.20

Finding the Fourth Proportional to 916,541.40, 1,376,043.30 and 537,850.20

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Solution

The fourth proportional to 916,541.40, 1,376,043.30 and 537,850.20 is: 807,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,541.40 : 1,376,043.30 = 537,850.20 : x
  2. Step 2: Convert to fraction form
    916,541.40/1,376,043.30 = 537,850.20/x
  3. Step 3: Cross multiply
    916,541.40x = 1,376,043.30 × 537,850.20
  4. Step 4: Simplify right side
    916,541.40x = 740,105,164,113.66
  5. Step 5: Solve for x
    x = 740,105,164,113.66/916,541.40
  6. Step 6: Final answer
    x = 807,497.80

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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.