Home / 1,037,715.60-1,555,709.40-439,136.40

Finding the Fourth Proportional to 1,037,715.60, 1,555,709.40 and 439,136.40

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Solution

The fourth proportional to 1,037,715.60, 1,555,709.40 and 439,136.40 is: 658,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,715.60 : 1,555,709.40 = 439,136.40 : x
  2. Step 2: Convert to fraction form
    1,037,715.60/1,555,709.40 = 439,136.40/x
  3. Step 3: Cross multiply
    1,037,715.60x = 1,555,709.40 × 439,136.40
  4. Step 4: Simplify right side
    1,037,715.60x = 683,168,625,362.16
  5. Step 5: Solve for x
    x = 683,168,625,362.16/1,037,715.60
  6. Step 6: Final answer
    x = 658,338.98

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1.5x scale

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.