Home / 916,271.10-1,377,359.10-651,862.80

Finding the Fourth Proportional to 916,271.10, 1,377,359.10 and 651,862.80

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Solution

The fourth proportional to 916,271.10, 1,377,359.10 and 651,862.80 is: 979,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,271.10 : 1,377,359.10 = 651,862.80 : x
  2. Step 2: Convert to fraction form
    916,271.10/1,377,359.10 = 651,862.80/x
  3. Step 3: Cross multiply
    916,271.10x = 1,377,359.10 × 651,862.80
  4. Step 4: Simplify right side
    916,271.10x = 897,849,159,531.48
  5. Step 5: Solve for x
    x = 897,849,159,531.48/916,271.10
  6. Step 6: Final answer
    x = 979,894.66

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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.