Home / 847,048.10-1,168,946.67-459,879.81

Finding the Fourth Proportional to 847,048.10, 1,168,946.67 and 459,879.81

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Solution

The fourth proportional to 847,048.10, 1,168,946.67 and 459,879.81 is: 634,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,048.10 : 1,168,946.67 = 459,879.81 : x
  2. Step 2: Convert to fraction form
    847,048.10/1,168,946.67 = 459,879.81/x
  3. Step 3: Cross multiply
    847,048.10x = 1,168,946.67 × 459,879.81
  4. Step 4: Simplify right side
    847,048.10x = 537,574,972,499.73
  5. Step 5: Solve for x
    x = 537,574,972,499.73/847,048.10
  6. Step 6: Final answer
    x = 634,645.15

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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.