Home / 623,878.20-931,304.26-548,210.40

Finding the Fourth Proportional to 623,878.20, 931,304.26 and 548,210.40

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Solution

The fourth proportional to 623,878.20, 931,304.26 and 548,210.40 is: 818,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,878.20 : 931,304.26 = 548,210.40 : x
  2. Step 2: Convert to fraction form
    623,878.20/931,304.26 = 548,210.40/x
  3. Step 3: Cross multiply
    623,878.20x = 931,304.26 × 548,210.40
  4. Step 4: Simplify right side
    623,878.20x = 510,550,680,896.30
  5. Step 5: Solve for x
    x = 510,550,680,896.30/623,878.20
  6. Step 6: Final answer
    x = 818,349.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.