Home / 1,316,001.60-1,816,094.72-772,146.64

Finding the Fourth Proportional to 1,316,001.60, 1,816,094.72 and 772,146.64

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Solution

The fourth proportional to 1,316,001.60, 1,816,094.72 and 772,146.64 is: 1,065,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,001.60 : 1,816,094.72 = 772,146.64 : x
  2. Step 2: Convert to fraction form
    1,316,001.60/1,816,094.72 = 772,146.64/x
  3. Step 3: Cross multiply
    1,316,001.60x = 1,816,094.72 × 772,146.64
  4. Step 4: Simplify right side
    1,316,001.60x = 1,402,291,435,969.74
  5. Step 5: Solve for x
    x = 1,402,291,435,969.74/1,316,001.60
  6. Step 6: Final answer
    x = 1,065,569.70

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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.