Home / 933,930.23-1,280,417.15-916,904.88

Finding the Fourth Proportional to 933,930.23, 1,280,417.15 and 916,904.88

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Solution

The fourth proportional to 933,930.23, 1,280,417.15 and 916,904.88 is: 1,257,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,930.23 : 1,280,417.15 = 916,904.88 : x
  2. Step 2: Convert to fraction form
    933,930.23/1,280,417.15 = 916,904.88/x
  3. Step 3: Cross multiply
    933,930.23x = 1,280,417.15 × 916,904.88
  4. Step 4: Simplify right side
    933,930.23x = 1,174,020,728,686.17
  5. Step 5: Solve for x
    x = 1,174,020,728,686.17/933,930.23
  6. Step 6: Final answer
    x = 1,257,075.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.