Home / 1,145,921.40-1,717,748.10-506,572.20

Finding the Fourth Proportional to 1,145,921.40, 1,717,748.10 and 506,572.20

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Solution

The fourth proportional to 1,145,921.40, 1,717,748.10 and 506,572.20 is: 759,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,921.40 : 1,717,748.10 = 506,572.20 : x
  2. Step 2: Convert to fraction form
    1,145,921.40/1,717,748.10 = 506,572.20/x
  3. Step 3: Cross multiply
    1,145,921.40x = 1,717,748.10 × 506,572.20
  4. Step 4: Simplify right side
    1,145,921.40x = 870,163,434,062.82
  5. Step 5: Solve for x
    x = 870,163,434,062.82/1,145,921.40
  6. Step 6: Final answer
    x = 759,357.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.