Home / 751,931.16-1,037,670.12-412,401.84

Finding the Fourth Proportional to 751,931.16, 1,037,670.12 and 412,401.84

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Solution

The fourth proportional to 751,931.16, 1,037,670.12 and 412,401.84 is: 569,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,931.16 : 1,037,670.12 = 412,401.84 : x
  2. Step 2: Convert to fraction form
    751,931.16/1,037,670.12 = 412,401.84/x
  3. Step 3: Cross multiply
    751,931.16x = 1,037,670.12 × 412,401.84
  4. Step 4: Simplify right side
    751,931.16x = 427,937,066,801.02
  5. Step 5: Solve for x
    x = 427,937,066,801.02/751,931.16
  6. Step 6: Final answer
    x = 569,117.35

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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.