Home / 1,007,808.53-1,390,775.55-555,099.53

Finding the Fourth Proportional to 1,007,808.53, 1,390,775.55 and 555,099.53

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Solution

The fourth proportional to 1,007,808.53, 1,390,775.55 and 555,099.53 is: 766,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,808.53 : 1,390,775.55 = 555,099.53 : x
  2. Step 2: Convert to fraction form
    1,007,808.53/1,390,775.55 = 555,099.53/x
  3. Step 3: Cross multiply
    1,007,808.53x = 1,390,775.55 × 555,099.53
  4. Step 4: Simplify right side
    1,007,808.53x = 772,018,854,140.49
  5. Step 5: Solve for x
    x = 772,018,854,140.49/1,007,808.53
  6. Step 6: Final answer
    x = 766,037.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.