Home / 1,235,930.40-1,852,513.20-525,837.60

Finding the Fourth Proportional to 1,235,930.40, 1,852,513.20 and 525,837.60

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Solution

The fourth proportional to 1,235,930.40, 1,852,513.20 and 525,837.60 is: 788,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,930.40 : 1,852,513.20 = 525,837.60 : x
  2. Step 2: Convert to fraction form
    1,235,930.40/1,852,513.20 = 525,837.60/x
  3. Step 3: Cross multiply
    1,235,930.40x = 1,852,513.20 × 525,837.60
  4. Step 4: Simplify right side
    1,235,930.40x = 974,121,095,056.32
  5. Step 5: Solve for x
    x = 974,121,095,056.32/1,235,930.40
  6. Step 6: Final answer
    x = 788,168.25

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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.