Home / 935,685.50-1,291,167.51-553,645.34

Finding the Fourth Proportional to 935,685.50, 1,291,167.51 and 553,645.34

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Solution

The fourth proportional to 935,685.50, 1,291,167.51 and 553,645.34 is: 763,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,685.50 : 1,291,167.51 = 553,645.34 : x
  2. Step 2: Convert to fraction form
    935,685.50/1,291,167.51 = 553,645.34/x
  3. Step 3: Cross multiply
    935,685.50x = 1,291,167.51 × 553,645.34
  4. Step 4: Simplify right side
    935,685.50x = 714,848,875,070.90
  5. Step 5: Solve for x
    x = 714,848,875,070.90/935,685.50
  6. Step 6: Final answer
    x = 763,984.13

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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.