Home / 1,152,572.76-1,590,549.48-636,327.36

Finding the Fourth Proportional to 1,152,572.76, 1,590,549.48 and 636,327.36

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Solution

The fourth proportional to 1,152,572.76, 1,590,549.48 and 636,327.36 is: 878,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,572.76 : 1,590,549.48 = 636,327.36 : x
  2. Step 2: Convert to fraction form
    1,152,572.76/1,590,549.48 = 636,327.36/x
  3. Step 3: Cross multiply
    1,152,572.76x = 1,590,549.48 × 636,327.36
  4. Step 4: Simplify right side
    1,152,572.76x = 1,012,110,151,557.77
  5. Step 5: Solve for x
    x = 1,012,110,151,557.77/1,152,572.76
  6. Step 6: Final answer
    x = 878,131.24

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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.