Home / 915,693.07-1,263,736.34-533,711.65

Finding the Fourth Proportional to 915,693.07, 1,263,736.34 and 533,711.65

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Solution

The fourth proportional to 915,693.07, 1,263,736.34 and 533,711.65 is: 736,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,693.07 : 1,263,736.34 = 533,711.65 : x
  2. Step 2: Convert to fraction form
    915,693.07/1,263,736.34 = 533,711.65/x
  3. Step 3: Cross multiply
    915,693.07x = 1,263,736.34 × 533,711.65
  4. Step 4: Simplify right side
    915,693.07x = 674,470,807,186.36
  5. Step 5: Solve for x
    x = 674,470,807,186.36/915,693.07
  6. Step 6: Final answer
    x = 736,568.65

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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.