Home / 1,085,607.90-1,627,245.45-411,428.70

Finding the Fourth Proportional to 1,085,607.90, 1,627,245.45 and 411,428.70

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Solution

The fourth proportional to 1,085,607.90, 1,627,245.45 and 411,428.70 is: 616,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,607.90 : 1,627,245.45 = 411,428.70 : x
  2. Step 2: Convert to fraction form
    1,085,607.90/1,627,245.45 = 411,428.70/x
  3. Step 3: Cross multiply
    1,085,607.90x = 1,627,245.45 × 411,428.70
  4. Step 4: Simplify right side
    1,085,607.90x = 669,495,480,074.42
  5. Step 5: Solve for x
    x = 669,495,480,074.42/1,085,607.90
  6. Step 6: Final answer
    x = 616,701.00

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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.