Home / 1,918,020.40-2,877,030.60-655,735.60

Finding the Fourth Proportional to 1,918,020.40, 2,877,030.60 and 655,735.60

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Solution

The fourth proportional to 1,918,020.40, 2,877,030.60 and 655,735.60 is: 983,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,020.40 : 2,877,030.60 = 655,735.60 : x
  2. Step 2: Convert to fraction form
    1,918,020.40/2,877,030.60 = 655,735.60/x
  3. Step 3: Cross multiply
    1,918,020.40x = 2,877,030.60 × 655,735.60
  4. Step 4: Simplify right side
    1,918,020.40x = 1,886,571,386,709.36
  5. Step 5: Solve for x
    x = 1,886,571,386,709.36/1,918,020.40
  6. Step 6: Final answer
    x = 983,603.40

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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.