Home / 1,130,127.86-1,559,307.57-640,101.62

Finding the Fourth Proportional to 1,130,127.86, 1,559,307.57 and 640,101.62

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Solution

The fourth proportional to 1,130,127.86, 1,559,307.57 and 640,101.62 is: 883,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,127.86 : 1,559,307.57 = 640,101.62 : x
  2. Step 2: Convert to fraction form
    1,130,127.86/1,559,307.57 = 640,101.62/x
  3. Step 3: Cross multiply
    1,130,127.86x = 1,559,307.57 × 640,101.62
  4. Step 4: Simplify right side
    1,130,127.86x = 998,115,301,635.26
  5. Step 5: Solve for x
    x = 998,115,301,635.26/1,130,127.86
  6. Step 6: Final answer
    x = 883,187.94

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Double scale
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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.