Home / 877,439.17-1,210,754.78-514,730.68

Finding the Fourth Proportional to 877,439.17, 1,210,754.78 and 514,730.68

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Solution

The fourth proportional to 877,439.17, 1,210,754.78 and 514,730.68 is: 710,263.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,439.17 : 1,210,754.78 = 514,730.68 : x
  2. Step 2: Convert to fraction form
    877,439.17/1,210,754.78 = 514,730.68/x
  3. Step 3: Cross multiply
    877,439.17x = 1,210,754.78 × 514,730.68
  4. Step 4: Simplify right side
    877,439.17x = 623,212,634,629.15
  5. Step 5: Solve for x
    x = 623,212,634,629.15/877,439.17
  6. Step 6: Final answer
    x = 710,263.07

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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.