Home / 877,730.63-1,210,925.36-510,146.69

Finding the Fourth Proportional to 877,730.63, 1,210,925.36 and 510,146.69

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Solution

The fourth proportional to 877,730.63, 1,210,925.36 and 510,146.69 is: 703,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,730.63 : 1,210,925.36 = 510,146.69 : x
  2. Step 2: Convert to fraction form
    877,730.63/1,210,925.36 = 510,146.69/x
  3. Step 3: Cross multiply
    877,730.63x = 1,210,925.36 × 510,146.69
  4. Step 4: Simplify right side
    877,730.63x = 617,749,564,241.06
  5. Step 5: Solve for x
    x = 617,749,564,241.06/877,730.63
  6. Step 6: Final answer
    x = 703,803.13

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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.