Home / 1,051,711.20-1,577,566.80-341,762.40

Finding the Fourth Proportional to 1,051,711.20, 1,577,566.80 and 341,762.40

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Solution

The fourth proportional to 1,051,711.20, 1,577,566.80 and 341,762.40 is: 512,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,711.20 : 1,577,566.80 = 341,762.40 : x
  2. Step 2: Convert to fraction form
    1,051,711.20/1,577,566.80 = 341,762.40/x
  3. Step 3: Cross multiply
    1,051,711.20x = 1,577,566.80 × 341,762.40
  4. Step 4: Simplify right side
    1,051,711.20x = 539,153,015,728.32
  5. Step 5: Solve for x
    x = 539,153,015,728.32/1,051,711.20
  6. Step 6: Final answer
    x = 512,643.60

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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.