Home / 727,804.71-1,086,589.44-556,127.91

Finding the Fourth Proportional to 727,804.71, 1,086,589.44 and 556,127.91

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Solution

The fourth proportional to 727,804.71, 1,086,589.44 and 556,127.91 is: 830,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,804.71 : 1,086,589.44 = 556,127.91 : x
  2. Step 2: Convert to fraction form
    727,804.71/1,086,589.44 = 556,127.91/x
  3. Step 3: Cross multiply
    727,804.71x = 1,086,589.44 × 556,127.91
  4. Step 4: Simplify right side
    727,804.71x = 604,282,714,295.27
  5. Step 5: Solve for x
    x = 604,282,714,295.27/727,804.71
  6. Step 6: Final answer
    x = 830,281.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.