Home / 924,176.90-1,386,265.35-426,512.90

Finding the Fourth Proportional to 924,176.90, 1,386,265.35 and 426,512.90

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Solution

The fourth proportional to 924,176.90, 1,386,265.35 and 426,512.90 is: 639,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,176.90 : 1,386,265.35 = 426,512.90 : x
  2. Step 2: Convert to fraction form
    924,176.90/1,386,265.35 = 426,512.90/x
  3. Step 3: Cross multiply
    924,176.90x = 1,386,265.35 × 426,512.90
  4. Step 4: Simplify right side
    924,176.90x = 591,260,054,598.02
  5. Step 5: Solve for x
    x = 591,260,054,598.02/924,176.90
  6. Step 6: Final answer
    x = 639,769.35

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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.