Home / 453,945.68-626,421.04-260,343.40

Finding the Fourth Proportional to 453,945.68, 626,421.04 and 260,343.40

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Solution

The fourth proportional to 453,945.68, 626,421.04 and 260,343.40 is: 359,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,945.68 : 626,421.04 = 260,343.40 : x
  2. Step 2: Convert to fraction form
    453,945.68/626,421.04 = 260,343.40/x
  3. Step 3: Cross multiply
    453,945.68x = 626,421.04 × 260,343.40
  4. Step 4: Simplify right side
    453,945.68x = 163,084,583,385.14
  5. Step 5: Solve for x
    x = 163,084,583,385.14/453,945.68
  6. Step 6: Final answer
    x = 359,260.13

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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.