Home / 1,152,431.35-1,590,313.59-636,174.16

Finding the Fourth Proportional to 1,152,431.35, 1,590,313.59 and 636,174.16

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Solution

The fourth proportional to 1,152,431.35, 1,590,313.59 and 636,174.16 is: 877,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,431.35 : 1,590,313.59 = 636,174.16 : x
  2. Step 2: Convert to fraction form
    1,152,431.35/1,590,313.59 = 636,174.16/x
  3. Step 3: Cross multiply
    1,152,431.35x = 1,590,313.59 × 636,174.16
  4. Step 4: Simplify right side
    1,152,431.35x = 1,011,716,412,254.83
  5. Step 5: Solve for x
    x = 1,011,716,412,254.83/1,152,431.35
  6. Step 6: Final answer
    x = 877,897.34

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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.