Home / 1,007,803.53-1,390,768.65-555,094.53

Finding the Fourth Proportional to 1,007,803.53, 1,390,768.65 and 555,094.53

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Solution

The fourth proportional to 1,007,803.53, 1,390,768.65 and 555,094.53 is: 766,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,803.53 : 1,390,768.65 = 555,094.53 : x
  2. Step 2: Convert to fraction form
    1,007,803.53/1,390,768.65 = 555,094.53/x
  3. Step 3: Cross multiply
    1,007,803.53x = 1,390,768.65 × 555,094.53
  4. Step 4: Simplify right side
    1,007,803.53x = 772,008,070,110.49
  5. Step 5: Solve for x
    x = 772,008,070,110.49/1,007,803.53
  6. Step 6: Final answer
    x = 766,030.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.