Home / 877,218.64-1,210,585.32-532,937.36

Finding the Fourth Proportional to 877,218.64, 1,210,585.32 and 532,937.36

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Solution

The fourth proportional to 877,218.64, 1,210,585.32 and 532,937.36 is: 735,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,218.64 : 1,210,585.32 = 532,937.36 : x
  2. Step 2: Convert to fraction form
    877,218.64/1,210,585.32 = 532,937.36/x
  3. Step 3: Cross multiply
    877,218.64x = 1,210,585.32 × 532,937.36
  4. Step 4: Simplify right side
    877,218.64x = 645,166,144,495.56
  5. Step 5: Solve for x
    x = 645,166,144,495.56/877,218.64
  6. Step 6: Final answer
    x = 735,467.89

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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.