Home / 904,347.40-1,248,058.42-522,390.28

Finding the Fourth Proportional to 904,347.40, 1,248,058.42 and 522,390.28

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Solution

The fourth proportional to 904,347.40, 1,248,058.42 and 522,390.28 is: 720,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,347.40 : 1,248,058.42 = 522,390.28 : x
  2. Step 2: Convert to fraction form
    904,347.40/1,248,058.42 = 522,390.28/x
  3. Step 3: Cross multiply
    904,347.40x = 1,248,058.42 × 522,390.28
  4. Step 4: Simplify right side
    904,347.40x = 651,973,587,480.16
  5. Step 5: Solve for x
    x = 651,973,587,480.16/904,347.40
  6. Step 6: Final answer
    x = 720,932.67

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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.