Home / 910,387.36-1,365,646.65-349,421.86

Finding the Fourth Proportional to 910,387.36, 1,365,646.65 and 349,421.86

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Solution

The fourth proportional to 910,387.36, 1,365,646.65 and 349,421.86 is: 524,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,387.36 : 1,365,646.65 = 349,421.86 : x
  2. Step 2: Convert to fraction form
    910,387.36/1,365,646.65 = 349,421.86/x
  3. Step 3: Cross multiply
    910,387.36x = 1,365,646.65 × 349,421.86
  4. Step 4: Simplify right side
    910,387.36x = 477,186,792,545.77
  5. Step 5: Solve for x
    x = 477,186,792,545.77/910,387.36
  6. Step 6: Final answer
    x = 524,157.97

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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.