Home / 623,527.16-859,291.64-451,153.28

Finding the Fourth Proportional to 623,527.16, 859,291.64 and 451,153.28

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Solution

The fourth proportional to 623,527.16, 859,291.64 and 451,153.28 is: 621,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,527.16 : 859,291.64 = 451,153.28 : x
  2. Step 2: Convert to fraction form
    623,527.16/859,291.64 = 451,153.28/x
  3. Step 3: Cross multiply
    623,527.16x = 859,291.64 × 451,153.28
  4. Step 4: Simplify right side
    623,527.16x = 387,672,241,862.58
  5. Step 5: Solve for x
    x = 387,672,241,862.58/623,527.16
  6. Step 6: Final answer
    x = 621,740.75

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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.