Home / 1,005,897.33-1,388,110.64-553,188.33

Finding the Fourth Proportional to 1,005,897.33, 1,388,110.64 and 553,188.33

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Solution

The fourth proportional to 1,005,897.33, 1,388,110.64 and 553,188.33 is: 763,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,897.33 : 1,388,110.64 = 553,188.33 : x
  2. Step 2: Convert to fraction form
    1,005,897.33/1,388,110.64 = 553,188.33/x
  3. Step 3: Cross multiply
    1,005,897.33x = 1,388,110.64 × 553,188.33
  4. Step 4: Simplify right side
    1,005,897.33x = 767,886,604,030.89
  5. Step 5: Solve for x
    x = 767,886,604,030.89/1,005,897.33
  6. Step 6: Final answer
    x = 763,384.67

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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.