Home / 1,123,117.60-1,685,259.60-492,095.20

Finding the Fourth Proportional to 1,123,117.60, 1,685,259.60 and 492,095.20

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Solution

The fourth proportional to 1,123,117.60, 1,685,259.60 and 492,095.20 is: 738,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,117.60 : 1,685,259.60 = 492,095.20 : x
  2. Step 2: Convert to fraction form
    1,123,117.60/1,685,259.60 = 492,095.20/x
  3. Step 3: Cross multiply
    1,123,117.60x = 1,685,259.60 × 492,095.20
  4. Step 4: Simplify right side
    1,123,117.60x = 829,308,159,913.92
  5. Step 5: Solve for x
    x = 829,308,159,913.92/1,123,117.60
  6. Step 6: Final answer
    x = 738,398.33

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Double scale
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1.5x scale

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.