Home / 670,700.77-1,006,028.05-190,931.52

Finding the Fourth Proportional to 670,700.77, 1,006,028.05 and 190,931.52

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Solution

The fourth proportional to 670,700.77, 1,006,028.05 and 190,931.52 is: 286,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,700.77 : 1,006,028.05 = 190,931.52 : x
  2. Step 2: Convert to fraction form
    670,700.77/1,006,028.05 = 190,931.52/x
  3. Step 3: Cross multiply
    670,700.77x = 1,006,028.05 × 190,931.52
  4. Step 4: Simplify right side
    670,700.77x = 192,082,461,328.77
  5. Step 5: Solve for x
    x = 192,082,461,328.77/670,700.77
  6. Step 6: Final answer
    x = 286,390.70

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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.