Home / 648,303.54-893,588.09-433,365.18

Finding the Fourth Proportional to 648,303.54, 893,588.09 and 433,365.18

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Solution

The fourth proportional to 648,303.54, 893,588.09 and 433,365.18 is: 597,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,303.54 : 893,588.09 = 433,365.18 : x
  2. Step 2: Convert to fraction form
    648,303.54/893,588.09 = 433,365.18/x
  3. Step 3: Cross multiply
    648,303.54x = 893,588.09 × 433,365.18
  4. Step 4: Simplify right side
    648,303.54x = 387,249,961,301.88
  5. Step 5: Solve for x
    x = 387,249,961,301.88/648,303.54
  6. Step 6: Final answer
    x = 597,328.16

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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.