Home / 810,703.32-1,118,881.68-466,532.16

Finding the Fourth Proportional to 810,703.32, 1,118,881.68 and 466,532.16

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Solution

The fourth proportional to 810,703.32, 1,118,881.68 and 466,532.16 is: 643,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,703.32 : 1,118,881.68 = 466,532.16 : x
  2. Step 2: Convert to fraction form
    810,703.32/1,118,881.68 = 466,532.16/x
  3. Step 3: Cross multiply
    810,703.32x = 1,118,881.68 × 466,532.16
  4. Step 4: Simplify right side
    810,703.32x = 521,994,286,954.83
  5. Step 5: Solve for x
    x = 521,994,286,954.83/810,703.32
  6. Step 6: Final answer
    x = 643,878.31

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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.