Home / 692,641.40-1,039,739.70-535,566.20

Finding the Fourth Proportional to 692,641.40, 1,039,739.70 and 535,566.20

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Solution

The fourth proportional to 692,641.40, 1,039,739.70 and 535,566.20 is: 803,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,641.40 : 1,039,739.70 = 535,566.20 : x
  2. Step 2: Convert to fraction form
    692,641.40/1,039,739.70 = 535,566.20/x
  3. Step 3: Cross multiply
    692,641.40x = 1,039,739.70 × 535,566.20
  4. Step 4: Simplify right side
    692,641.40x = 556,849,440,118.14
  5. Step 5: Solve for x
    x = 556,849,440,118.14/692,641.40
  6. Step 6: Final answer
    x = 803,950.56

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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.