Home / 772,854.40-1,159,281.60-586,230.40

Finding the Fourth Proportional to 772,854.40, 1,159,281.60 and 586,230.40

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Solution

The fourth proportional to 772,854.40, 1,159,281.60 and 586,230.40 is: 879,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,854.40 : 1,159,281.60 = 586,230.40 : x
  2. Step 2: Convert to fraction form
    772,854.40/1,159,281.60 = 586,230.40/x
  3. Step 3: Cross multiply
    772,854.40x = 1,159,281.60 × 586,230.40
  4. Step 4: Simplify right side
    772,854.40x = 679,606,116,080.64
  5. Step 5: Solve for x
    x = 679,606,116,080.64/772,854.40
  6. Step 6: Final answer
    x = 879,345.60

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Double scale
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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.