Home / 1,236,140.40-1,852,828.20-526,047.60

Finding the Fourth Proportional to 1,236,140.40, 1,852,828.20 and 526,047.60

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Solution

The fourth proportional to 1,236,140.40, 1,852,828.20 and 526,047.60 is: 788,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,140.40 : 1,852,828.20 = 526,047.60 : x
  2. Step 2: Convert to fraction form
    1,236,140.40/1,852,828.20 = 526,047.60/x
  3. Step 3: Cross multiply
    1,236,140.40x = 1,852,828.20 × 526,047.60
  4. Step 4: Simplify right side
    1,236,140.40x = 974,675,827,822.32
  5. Step 5: Solve for x
    x = 974,675,827,822.32/1,236,140.40
  6. Step 6: Final answer
    x = 788,483.11

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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.