Home / 880,106.57-1,319,948.48-406,336.73

Finding the Fourth Proportional to 880,106.57, 1,319,948.48 and 406,336.73

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Solution

The fourth proportional to 880,106.57, 1,319,948.48 and 406,336.73 is: 609,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,106.57 : 1,319,948.48 = 406,336.73 : x
  2. Step 2: Convert to fraction form
    880,106.57/1,319,948.48 = 406,336.73/x
  3. Step 3: Cross multiply
    880,106.57x = 1,319,948.48 × 406,336.73
  4. Step 4: Simplify right side
    880,106.57x = 536,343,547,099.99
  5. Step 5: Solve for x
    x = 536,343,547,099.99/880,106.57
  6. Step 6: Final answer
    x = 609,407.50

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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.