Home / 423,929.09-585,054.70-242,697.87

Finding the Fourth Proportional to 423,929.09, 585,054.70 and 242,697.87

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Solution

The fourth proportional to 423,929.09, 585,054.70 and 242,697.87 is: 334,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,929.09 : 585,054.70 = 242,697.87 : x
  2. Step 2: Convert to fraction form
    423,929.09/585,054.70 = 242,697.87/x
  3. Step 3: Cross multiply
    423,929.09x = 585,054.70 × 242,697.87
  4. Step 4: Simplify right side
    423,929.09x = 141,991,528,916.74
  5. Step 5: Solve for x
    x = 141,991,528,916.74/423,929.09
  6. Step 6: Final answer
    x = 334,941.70

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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.