Home / 933,913.80-1,400,870.70-556,000.20

Finding the Fourth Proportional to 933,913.80, 1,400,870.70 and 556,000.20

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Solution

The fourth proportional to 933,913.80, 1,400,870.70 and 556,000.20 is: 834,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,913.80 : 1,400,870.70 = 556,000.20 : x
  2. Step 2: Convert to fraction form
    933,913.80/1,400,870.70 = 556,000.20/x
  3. Step 3: Cross multiply
    933,913.80x = 1,400,870.70 × 556,000.20
  4. Step 4: Simplify right side
    933,913.80x = 778,884,389,374.14
  5. Step 5: Solve for x
    x = 778,884,389,374.14/933,913.80
  6. Step 6: Final answer
    x = 834,000.30

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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.