Home / 817,510.50-1,128,164.58-459,814.50

Finding the Fourth Proportional to 817,510.50, 1,128,164.58 and 459,814.50

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Solution

The fourth proportional to 817,510.50, 1,128,164.58 and 459,814.50 is: 634,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,510.50 : 1,128,164.58 = 459,814.50 : x
  2. Step 2: Convert to fraction form
    817,510.50/1,128,164.58 = 459,814.50/x
  3. Step 3: Cross multiply
    817,510.50x = 1,128,164.58 × 459,814.50
  4. Step 4: Simplify right side
    817,510.50x = 518,746,432,270.41
  5. Step 5: Solve for x
    x = 518,746,432,270.41/817,510.50
  6. Step 6: Final answer
    x = 634,544.06

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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.