Home / 874,869.60-1,207,320.04-472,461.60

Finding the Fourth Proportional to 874,869.60, 1,207,320.04 and 472,461.60

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Solution

The fourth proportional to 874,869.60, 1,207,320.04 and 472,461.60 is: 651,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,869.60 : 1,207,320.04 = 472,461.60 : x
  2. Step 2: Convert to fraction form
    874,869.60/1,207,320.04 = 472,461.60/x
  3. Step 3: Cross multiply
    874,869.60x = 1,207,320.04 × 472,461.60
  4. Step 4: Simplify right side
    874,869.60x = 570,412,357,810.46
  5. Step 5: Solve for x
    x = 570,412,357,810.46/874,869.60
  6. Step 6: Final answer
    x = 651,997.00

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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.