Home / 936,365.60-1,402,580.10-778,901.60

Finding the Fourth Proportional to 936,365.60, 1,402,580.10 and 778,901.60

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Solution

The fourth proportional to 936,365.60, 1,402,580.10 and 778,901.60 is: 1,166,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,365.60 : 1,402,580.10 = 778,901.60 : x
  2. Step 2: Convert to fraction form
    936,365.60/1,402,580.10 = 778,901.60/x
  3. Step 3: Cross multiply
    936,365.60x = 1,402,580.10 × 778,901.60
  4. Step 4: Simplify right side
    936,365.60x = 1,092,471,884,018.16
  5. Step 5: Solve for x
    x = 1,092,471,884,018.16/936,365.60
  6. Step 6: Final answer
    x = 1,166,715.10

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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.