Home / 623,266.40-860,055.93-351,401.10

Finding the Fourth Proportional to 623,266.40, 860,055.93 and 351,401.10

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Solution

The fourth proportional to 623,266.40, 860,055.93 and 351,401.10 is: 484,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,266.40 : 860,055.93 = 351,401.10 : x
  2. Step 2: Convert to fraction form
    623,266.40/860,055.93 = 351,401.10/x
  3. Step 3: Cross multiply
    623,266.40x = 860,055.93 × 351,401.10
  4. Step 4: Simplify right side
    623,266.40x = 302,224,599,863.52
  5. Step 5: Solve for x
    x = 302,224,599,863.52/623,266.40
  6. Step 6: Final answer
    x = 484,904.37

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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.