Home / 623,827.40-936,065.10-291,403.40

Finding the Fourth Proportional to 623,827.40, 936,065.10 and 291,403.40

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Solution

The fourth proportional to 623,827.40, 936,065.10 and 291,403.40 is: 437,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,827.40 : 936,065.10 = 291,403.40 : x
  2. Step 2: Convert to fraction form
    623,827.40/936,065.10 = 291,403.40/x
  3. Step 3: Cross multiply
    623,827.40x = 936,065.10 × 291,403.40
  4. Step 4: Simplify right side
    623,827.40x = 272,772,552,761.34
  5. Step 5: Solve for x
    x = 272,772,552,761.34/623,827.40
  6. Step 6: Final answer
    x = 437,256.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.