Home / 1,137,312.40-1,705,968.60-605,871.40

Finding the Fourth Proportional to 1,137,312.40, 1,705,968.60 and 605,871.40

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Solution

The fourth proportional to 1,137,312.40, 1,705,968.60 and 605,871.40 is: 908,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,312.40 : 1,705,968.60 = 605,871.40 : x
  2. Step 2: Convert to fraction form
    1,137,312.40/1,705,968.60 = 605,871.40/x
  3. Step 3: Cross multiply
    1,137,312.40x = 1,705,968.60 × 605,871.40
  4. Step 4: Simplify right side
    1,137,312.40x = 1,033,597,584,038.04
  5. Step 5: Solve for x
    x = 1,033,597,584,038.04/1,137,312.40
  6. Step 6: Final answer
    x = 908,807.10

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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.