Home / 1,316,001.47-1,816,094.55-772,146.51

Finding the Fourth Proportional to 1,316,001.47, 1,816,094.55 and 772,146.51

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Solution

The fourth proportional to 1,316,001.47, 1,816,094.55 and 772,146.51 is: 1,065,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,001.47 : 1,816,094.55 = 772,146.51 : x
  2. Step 2: Convert to fraction form
    1,316,001.47/1,816,094.55 = 772,146.51/x
  3. Step 3: Cross multiply
    1,316,001.47x = 1,816,094.55 × 772,146.51
  4. Step 4: Simplify right side
    1,316,001.47x = 1,402,291,073,152.76
  5. Step 5: Solve for x
    x = 1,402,291,073,152.76/1,316,001.47
  6. Step 6: Final answer
    x = 1,065,569.53

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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.