Home / 346,256.10-519,384.15-278,604.90

Finding the Fourth Proportional to 346,256.10, 519,384.15 and 278,604.90

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Solution

The fourth proportional to 346,256.10, 519,384.15 and 278,604.90 is: 417,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,256.10 : 519,384.15 = 278,604.90 : x
  2. Step 2: Convert to fraction form
    346,256.10/519,384.15 = 278,604.90/x
  3. Step 3: Cross multiply
    346,256.10x = 519,384.15 × 278,604.90
  4. Step 4: Simplify right side
    346,256.10x = 144,702,969,172.34
  5. Step 5: Solve for x
    x = 144,702,969,172.34/346,256.10
  6. Step 6: Final answer
    x = 417,907.35

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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.