Home / 1,075,890.40-1,613,835.60-1,024,280.80

Finding the Fourth Proportional to 1,075,890.40, 1,613,835.60 and 1,024,280.80

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Solution

The fourth proportional to 1,075,890.40, 1,613,835.60 and 1,024,280.80 is: 1,536,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,890.40 : 1,613,835.60 = 1,024,280.80 : x
  2. Step 2: Convert to fraction form
    1,075,890.40/1,613,835.60 = 1,024,280.80/x
  3. Step 3: Cross multiply
    1,075,890.40x = 1,613,835.60 × 1,024,280.80
  4. Step 4: Simplify right side
    1,075,890.40x = 1,653,020,819,436.48
  5. Step 5: Solve for x
    x = 1,653,020,819,436.48/1,075,890.40
  6. Step 6: Final answer
    x = 1,536,421.20

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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.